diff --git a/__init__.py b/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/abps_runners.py b/abps/abps_runners.py
index 8d316daef7a..20548e47c66 100644
--- a/abps/abps_runners.py
+++ b/abps/abps_runners.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/agents/dqn/dqn_agent.py b/abps/agents/dqn/dqn_agent.py
index f5aeb12546c..4a18258ee16 100644
--- a/abps/agents/dqn/dqn_agent.py
+++ b/abps/agents/dqn/dqn_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/agents/tf_agent.py b/abps/agents/tf_agent.py
index ab439f7cdbd..42052e86aed 100644
--- a/abps/agents/tf_agent.py
+++ b/abps/agents/tf_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/baseline_runners.py b/abps/baseline_runners.py
index befac2add8d..6f81283d620 100644
--- a/abps/baseline_runners.py
+++ b/abps/baseline_runners.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/eval.py b/abps/eval.py
index 78bd117d83a..9c2fde628d3 100644
--- a/abps/eval.py
+++ b/abps/eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/eval_independ.py b/abps/eval_independ.py
index 14f5165d7e0..14cc3bcc0cb 100644
--- a/abps/eval_independ.py
+++ b/abps/eval_independ.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/hparam.py b/abps/hparam.py
index 1a6f53f211a..570a5b66bd4 100644
--- a/abps/hparam.py
+++ b/abps/hparam.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/new_pymetrics.py b/abps/new_pymetrics.py
index b898a44f4de..04157d69aa1 100644
--- a/abps/new_pymetrics.py
+++ b/abps/new_pymetrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/py_hashed_replay_buffer.py b/abps/py_hashed_replay_buffer.py
index a1cad10210d..2bc1a8a88a6 100644
--- a/abps/py_hashed_replay_buffer.py
+++ b/abps/py_hashed_replay_buffer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/py_uniform_replay_buffer.py b/abps/py_uniform_replay_buffer.py
index 7a99ae546f6..e43fc58ba8a 100644
--- a/abps/py_uniform_replay_buffer.py
+++ b/abps/py_uniform_replay_buffer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/run.sh b/abps/run.sh
index e12f8c51ca3..1db3541c275 100755
--- a/abps/run.sh
+++ b/abps/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/train.py b/abps/train.py
index 587c86ccc2f..5102f651200 100644
--- a/abps/train.py
+++ b/abps/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/abps/train_independ.py b/abps/train_independ.py
index a4075df906b..4974ef0485b 100644
--- a/abps/train_independ.py
+++ b/abps/train_independ.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/__init__.py b/algae_dice/__init__.py
index 122de214f6c..40821125b29 100644
--- a/algae_dice/__init__.py
+++ b/algae_dice/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/algae.py b/algae_dice/algae.py
index bb7b2549cff..383e915ce09 100644
--- a/algae_dice/algae.py
+++ b/algae_dice/algae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/keras_utils.py b/algae_dice/keras_utils.py
index 3fca7f99b8a..642531be79b 100644
--- a/algae_dice/keras_utils.py
+++ b/algae_dice/keras_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/run.sh b/algae_dice/run.sh
index 37077de3fd8..244d6ada344 100755
--- a/algae_dice/run.sh
+++ b/algae_dice/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/train_eval.py b/algae_dice/train_eval.py
index cccd4566573..8bd73fa9a67 100644
--- a/algae_dice/train_eval.py
+++ b/algae_dice/train_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/wrappers/__init__.py b/algae_dice/wrappers/__init__.py
index 738e6a3780e..c84f5153048 100644
--- a/algae_dice/wrappers/__init__.py
+++ b/algae_dice/wrappers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/algae_dice/wrappers/normalize_action_wrapper.py b/algae_dice/wrappers/normalize_action_wrapper.py
index 862ef006878..6d6e54de909 100644
--- a/algae_dice/wrappers/normalize_action_wrapper.py
+++ b/algae_dice/wrappers/normalize_action_wrapper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/attribution/__init__.py b/attribution/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/attribution/__init__.py
+++ b/attribution/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/attribution/integrated_gradients.py b/attribution/integrated_gradients.py
index e09bc6edd2e..a411503c28a 100644
--- a/attribution/integrated_gradients.py
+++ b/attribution/integrated_gradients.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/attribution/integrated_gradients_test.py b/attribution/integrated_gradients_test.py
index e0aa95f0bd9..37ccb9e97be 100644
--- a/attribution/integrated_gradients_test.py
+++ b/attribution/integrated_gradients_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/attribution/run.sh b/attribution/run.sh
index 3013d5cae48..ae007cc6814 100755
--- a/attribution/run.sh
+++ b/attribution/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/__init__.py b/axial/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/axial/__init__.py
+++ b/axial/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/config_imagenet32.py b/axial/config_imagenet32.py
index 0aef1958576..23f1b372fcb 100644
--- a/axial/config_imagenet32.py
+++ b/axial/config_imagenet32.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/config_imagenet64.py b/axial/config_imagenet64.py
index 3985064e8d3..78c59f23e27 100644
--- a/axial/config_imagenet64.py
+++ b/axial/config_imagenet64.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/datasets.py b/axial/datasets.py
index 9e560d75da0..186e5e5531d 100644
--- a/axial/datasets.py
+++ b/axial/datasets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/logging_utils.py b/axial/logging_utils.py
index 29e28b4bb74..c3513366c61 100644
--- a/axial/logging_utils.py
+++ b/axial/logging_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/main.py b/axial/main.py
index 680a37a562f..8b88d7ad5a7 100644
--- a/axial/main.py
+++ b/axial/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/models.py b/axial/models.py
index 0eec524e934..f33c9c418cd 100644
--- a/axial/models.py
+++ b/axial/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/nn.py b/axial/nn.py
index 2e39a6e14c4..15e2f4c5806 100644
--- a/axial/nn.py
+++ b/axial/nn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/run.sh b/axial/run.sh
index 0177fa2be37..5cf3ae4aba6 100755
--- a/axial/run.sh
+++ b/axial/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/transformers.py b/axial/transformers.py
index 732a219862b..5e3089c0bd5 100644
--- a/axial/transformers.py
+++ b/axial/transformers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/transformers_test.py b/axial/transformers_test.py
index d89499c1f4b..aa708a4481c 100644
--- a/axial/transformers_test.py
+++ b/axial/transformers_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/utils.py b/axial/utils.py
index f935252a91a..69c8fee547e 100644
--- a/axial/utils.py
+++ b/axial/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/axial/worker_util.py b/axial/worker_util.py
index bb037c55d9c..2bff207f2f5 100644
--- a/axial/worker_util.py
+++ b/axial/worker_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/__init__.py b/bam/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/__init__.py
+++ b/bam/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/bert/__init__.py b/bam/bert/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/bert/__init__.py
+++ b/bam/bert/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/bert/modeling.py b/bam/bert/modeling.py
index 165a0bac5e1..26108836e13 100644
--- a/bam/bert/modeling.py
+++ b/bam/bert/modeling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/bert/optimization.py b/bam/bert/optimization.py
index 8c3277cf6c3..96829785644 100644
--- a/bam/bert/optimization.py
+++ b/bam/bert/optimization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/bert/tokenization.py b/bam/bert/tokenization.py
index e4136f94754..5627585bae2 100644
--- a/bam/bert/tokenization.py
+++ b/bam/bert/tokenization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/configure.py b/bam/configure.py
index 4ca67436600..4a9951a5a17 100644
--- a/bam/configure.py
+++ b/bam/configure.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/data/__init__.py b/bam/data/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/data/__init__.py
+++ b/bam/data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/data/feature_spec.py b/bam/data/feature_spec.py
index c9d2fdda00e..4600106f4a9 100644
--- a/bam/data/feature_spec.py
+++ b/bam/data/feature_spec.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/data/preprocessing.py b/bam/data/preprocessing.py
index 6745e5584bb..74d82604b99 100644
--- a/bam/data/preprocessing.py
+++ b/bam/data/preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/data/task_weighting.py b/bam/data/task_weighting.py
index 237f6c07f9a..0a816a26689 100644
--- a/bam/data/task_weighting.py
+++ b/bam/data/task_weighting.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/helpers/__init__.py b/bam/helpers/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/helpers/__init__.py
+++ b/bam/helpers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/helpers/training_utils.py b/bam/helpers/training_utils.py
index 5b0128d3731..40b00c34d27 100644
--- a/bam/helpers/training_utils.py
+++ b/bam/helpers/training_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/helpers/utils.py b/bam/helpers/utils.py
index f4c0eb821bd..f49b57c64b6 100644
--- a/bam/helpers/utils.py
+++ b/bam/helpers/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/run.sh b/bam/run.sh
index 503ffa933ee..a0b9d445663 100755
--- a/bam/run.sh
+++ b/bam/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/run_classifier.py b/bam/run_classifier.py
index bf17de0a34b..3dc58016379 100644
--- a/bam/run_classifier.py
+++ b/bam/run_classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/__init__.py b/bam/task_specific/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/task_specific/__init__.py
+++ b/bam/task_specific/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/classification/__init__.py b/bam/task_specific/classification/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bam/task_specific/classification/__init__.py
+++ b/bam/task_specific/classification/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/classification/classification_metrics.py b/bam/task_specific/classification/classification_metrics.py
index 10c7301d165..1d721d67513 100644
--- a/bam/task_specific/classification/classification_metrics.py
+++ b/bam/task_specific/classification/classification_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/classification/classification_tasks.py b/bam/task_specific/classification/classification_tasks.py
index afaf0fff2c4..1b58c7bcc24 100644
--- a/bam/task_specific/classification/classification_tasks.py
+++ b/bam/task_specific/classification/classification_tasks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/scorer.py b/bam/task_specific/scorer.py
index cfe6bbf9bfe..c56dbb2898a 100644
--- a/bam/task_specific/scorer.py
+++ b/bam/task_specific/scorer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/task.py b/bam/task_specific/task.py
index 5e6a4fd3784..7f45fe0fdbf 100644
--- a/bam/task_specific/task.py
+++ b/bam/task_specific/task.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bam/task_specific/task_builder.py b/bam/task_specific/task_builder.py
index fbd09eecdd4..e64fa23bb7a 100644
--- a/bam/task_specific/task_builder.py
+++ b/bam/task_specific/task_builder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/batch_science/__init__.py b/batch_science/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/batch_science/__init__.py
+++ b/batch_science/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/batch_science/data_loader.py b/batch_science/data_loader.py
index 5c2f2157115..c6cb3831e3d 100644
--- a/batch_science/data_loader.py
+++ b/batch_science/data_loader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/batch_science/measurement_utils.py b/batch_science/measurement_utils.py
index a4c88285ad1..e5740846d7a 100644
--- a/batch_science/measurement_utils.py
+++ b/batch_science/measurement_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/batch_science/plot_utils.py b/batch_science/plot_utils.py
index 73f80e4a2cc..4f72b947150 100644
--- a/batch_science/plot_utils.py
+++ b/batch_science/plot_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/__init__.py b/behavior_regularized_offline_rl/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/behavior_regularized_offline_rl/__init__.py
+++ b/behavior_regularized_offline_rl/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/__init__.py b/behavior_regularized_offline_rl/brac/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/behavior_regularized_offline_rl/brac/__init__.py
+++ b/behavior_regularized_offline_rl/brac/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/agent.py b/behavior_regularized_offline_rl/brac/agent.py
index 23aad210ac3..def91d14842 100644
--- a/behavior_regularized_offline_rl/brac/agent.py
+++ b/behavior_regularized_offline_rl/brac/agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/agents.py b/behavior_regularized_offline_rl/brac/agents.py
index def751db057..2bd2819519f 100644
--- a/behavior_regularized_offline_rl/brac/agents.py
+++ b/behavior_regularized_offline_rl/brac/agents.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/bc_agent.py b/behavior_regularized_offline_rl/brac/bc_agent.py
index ab0efc17526..a4919d77cdd 100644
--- a/behavior_regularized_offline_rl/brac/bc_agent.py
+++ b/behavior_regularized_offline_rl/brac/bc_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/bcq_agent.py b/behavior_regularized_offline_rl/brac/bcq_agent.py
index 8604c175e4e..2fca5089ce6 100644
--- a/behavior_regularized_offline_rl/brac/bcq_agent.py
+++ b/behavior_regularized_offline_rl/brac/bcq_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/brac_dual_agent.py b/behavior_regularized_offline_rl/brac/brac_dual_agent.py
index 49d665e5c70..323128b98a7 100644
--- a/behavior_regularized_offline_rl/brac/brac_dual_agent.py
+++ b/behavior_regularized_offline_rl/brac/brac_dual_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/brac_primal_agent.py b/behavior_regularized_offline_rl/brac/brac_primal_agent.py
index ff8328aba3b..d1d49b3238f 100644
--- a/behavior_regularized_offline_rl/brac/brac_primal_agent.py
+++ b/behavior_regularized_offline_rl/brac/brac_primal_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/collect_data.py b/behavior_regularized_offline_rl/brac/collect_data.py
index 309b88bacc0..1f7d90a9f26 100644
--- a/behavior_regularized_offline_rl/brac/collect_data.py
+++ b/behavior_regularized_offline_rl/brac/collect_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/collect_data_test.py b/behavior_regularized_offline_rl/brac/collect_data_test.py
index 44fe7b4ed89..7f493e2472f 100644
--- a/behavior_regularized_offline_rl/brac/collect_data_test.py
+++ b/behavior_regularized_offline_rl/brac/collect_data_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_eps1.py b/behavior_regularized_offline_rl/brac/configs/dcfg_eps1.py
index 80db94b5344..55574849e6b 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_eps1.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_eps1.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_eps3.py b/behavior_regularized_offline_rl/brac/configs/dcfg_eps3.py
index 151649ff51f..54c399de115 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_eps3.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_eps3.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_example.py b/behavior_regularized_offline_rl/brac/configs/dcfg_example.py
index 73f0e6cdae3..62bbaffd4e9 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_example.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_example.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian1.py b/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian1.py
index a6916fa5760..ec279a0f6a8 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian1.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian1.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian3.py b/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian3.py
index 0d0fa62b680..f2bc61d2895 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian3.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_gaussian3.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/configs/dcfg_pure.py b/behavior_regularized_offline_rl/brac/configs/dcfg_pure.py
index 89476d59b83..1d8240102ad 100644
--- a/behavior_regularized_offline_rl/brac/configs/dcfg_pure.py
+++ b/behavior_regularized_offline_rl/brac/configs/dcfg_pure.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/dataset.py b/behavior_regularized_offline_rl/brac/dataset.py
index f6d3acdbe5a..4c2de5a8b88 100644
--- a/behavior_regularized_offline_rl/brac/dataset.py
+++ b/behavior_regularized_offline_rl/brac/dataset.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/divergences.py b/behavior_regularized_offline_rl/brac/divergences.py
index 97f401caaf0..7bf034e73b6 100644
--- a/behavior_regularized_offline_rl/brac/divergences.py
+++ b/behavior_regularized_offline_rl/brac/divergences.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/networks.py b/behavior_regularized_offline_rl/brac/networks.py
index 5fe9558f47f..50bc619439b 100644
--- a/behavior_regularized_offline_rl/brac/networks.py
+++ b/behavior_regularized_offline_rl/brac/networks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/policies.py b/behavior_regularized_offline_rl/brac/policies.py
index 2907d7e61f1..90fbd806b10 100644
--- a/behavior_regularized_offline_rl/brac/policies.py
+++ b/behavior_regularized_offline_rl/brac/policies.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/policy_loader.py b/behavior_regularized_offline_rl/brac/policy_loader.py
index dbbbfd35a4d..54fb6b4aada 100644
--- a/behavior_regularized_offline_rl/brac/policy_loader.py
+++ b/behavior_regularized_offline_rl/brac/policy_loader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_bc.sh b/behavior_regularized_offline_rl/brac/run_bc.sh
index 33e8865de74..5259bc6f3e8 100755
--- a/behavior_regularized_offline_rl/brac/run_bc.sh
+++ b/behavior_regularized_offline_rl/brac/run_bc.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_bcq.sh b/behavior_regularized_offline_rl/brac/run_bcq.sh
index 1d588b3f344..9eb4ef916a6 100755
--- a/behavior_regularized_offline_rl/brac/run_bcq.sh
+++ b/behavior_regularized_offline_rl/brac/run_bcq.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_collect_data.sh b/behavior_regularized_offline_rl/brac/run_collect_data.sh
index 9b31f3030b7..5a522399559 100755
--- a/behavior_regularized_offline_rl/brac/run_collect_data.sh
+++ b/behavior_regularized_offline_rl/brac/run_collect_data.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_dual.sh b/behavior_regularized_offline_rl/brac/run_dual.sh
index ae82ae195a6..e1f5cbda21a 100755
--- a/behavior_regularized_offline_rl/brac/run_dual.sh
+++ b/behavior_regularized_offline_rl/brac/run_dual.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_primal.sh b/behavior_regularized_offline_rl/brac/run_primal.sh
index 8eddfdc40d3..d9012b37460 100755
--- a/behavior_regularized_offline_rl/brac/run_primal.sh
+++ b/behavior_regularized_offline_rl/brac/run_primal.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/run_train_online.sh b/behavior_regularized_offline_rl/brac/run_train_online.sh
index 19f625f8ab6..62bb2756d5d 100755
--- a/behavior_regularized_offline_rl/brac/run_train_online.sh
+++ b/behavior_regularized_offline_rl/brac/run_train_online.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/sac_agent.py b/behavior_regularized_offline_rl/brac/sac_agent.py
index 5e4098ce872..37529cec6b1 100644
--- a/behavior_regularized_offline_rl/brac/sac_agent.py
+++ b/behavior_regularized_offline_rl/brac/sac_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_eval_offline.py b/behavior_regularized_offline_rl/brac/train_eval_offline.py
index 7022c6597c4..4ac1cac1196 100644
--- a/behavior_regularized_offline_rl/brac/train_eval_offline.py
+++ b/behavior_regularized_offline_rl/brac/train_eval_offline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_eval_online.py b/behavior_regularized_offline_rl/brac/train_eval_online.py
index e6a71a859e2..09b96248c5c 100644
--- a/behavior_regularized_offline_rl/brac/train_eval_online.py
+++ b/behavior_regularized_offline_rl/brac/train_eval_online.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_eval_utils.py b/behavior_regularized_offline_rl/brac/train_eval_utils.py
index 054d6d1ee75..99bab38adfa 100644
--- a/behavior_regularized_offline_rl/brac/train_eval_utils.py
+++ b/behavior_regularized_offline_rl/brac/train_eval_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_offline.py b/behavior_regularized_offline_rl/brac/train_offline.py
index 01c4a3c469f..df143c37dee 100644
--- a/behavior_regularized_offline_rl/brac/train_offline.py
+++ b/behavior_regularized_offline_rl/brac/train_offline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_offline_test.py b/behavior_regularized_offline_rl/brac/train_offline_test.py
index 3e051488ce0..07c28a4ddb6 100644
--- a/behavior_regularized_offline_rl/brac/train_offline_test.py
+++ b/behavior_regularized_offline_rl/brac/train_offline_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_online.py b/behavior_regularized_offline_rl/brac/train_online.py
index 63be795aa75..8ba4be093d4 100644
--- a/behavior_regularized_offline_rl/brac/train_online.py
+++ b/behavior_regularized_offline_rl/brac/train_online.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/train_online_test.py b/behavior_regularized_offline_rl/brac/train_online_test.py
index 8425fe20431..fe3c317084c 100644
--- a/behavior_regularized_offline_rl/brac/train_online_test.py
+++ b/behavior_regularized_offline_rl/brac/train_online_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/brac/utils.py b/behavior_regularized_offline_rl/brac/utils.py
index 02bb3f5032c..8284a4f3fcd 100644
--- a/behavior_regularized_offline_rl/brac/utils.py
+++ b/behavior_regularized_offline_rl/brac/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/behavior_regularized_offline_rl/run.sh b/behavior_regularized_offline_rl/run.sh
index 921600393de..ac96cc3aed3 100755
--- a/behavior_regularized_offline_rl/run.sh
+++ b/behavior_regularized_offline_rl/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/__init__.py b/bisimulation_aaai2020/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bisimulation_aaai2020/__init__.py
+++ b/bisimulation_aaai2020/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/__init__.py b/bisimulation_aaai2020/dopamine/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bisimulation_aaai2020/dopamine/__init__.py
+++ b/bisimulation_aaai2020/dopamine/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/agent_visualizer.py b/bisimulation_aaai2020/dopamine/agent_visualizer.py
index 438369f39f9..781b663bf35 100644
--- a/bisimulation_aaai2020/dopamine/agent_visualizer.py
+++ b/bisimulation_aaai2020/dopamine/agent_visualizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/evaluate.py b/bisimulation_aaai2020/dopamine/evaluate.py
index 59eda9521ed..677814d123c 100644
--- a/bisimulation_aaai2020/dopamine/evaluate.py
+++ b/bisimulation_aaai2020/dopamine/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/play.py b/bisimulation_aaai2020/dopamine/play.py
index c0691ef62e7..a73b749bca2 100644
--- a/bisimulation_aaai2020/dopamine/play.py
+++ b/bisimulation_aaai2020/dopamine/play.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/rainbow_agent.py b/bisimulation_aaai2020/dopamine/rainbow_agent.py
index 620416e8a39..7c9a614beab 100644
--- a/bisimulation_aaai2020/dopamine/rainbow_agent.py
+++ b/bisimulation_aaai2020/dopamine/rainbow_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/dopamine/run_experiment.py b/bisimulation_aaai2020/dopamine/run_experiment.py
index fd5125ee7a8..5e2c9abe1e4 100644
--- a/bisimulation_aaai2020/dopamine/run_experiment.py
+++ b/bisimulation_aaai2020/dopamine/run_experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/grid_world/__init__.py b/bisimulation_aaai2020/grid_world/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bisimulation_aaai2020/grid_world/__init__.py
+++ b/bisimulation_aaai2020/grid_world/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/grid_world/compute_metric.py b/bisimulation_aaai2020/grid_world/compute_metric.py
index 12295e845e7..c078361dcce 100644
--- a/bisimulation_aaai2020/grid_world/compute_metric.py
+++ b/bisimulation_aaai2020/grid_world/compute_metric.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/grid_world/configs/__init__.py b/bisimulation_aaai2020/grid_world/configs/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/bisimulation_aaai2020/grid_world/configs/__init__.py
+++ b/bisimulation_aaai2020/grid_world/configs/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/grid_world/grid_world.py b/bisimulation_aaai2020/grid_world/grid_world.py
index 4d05464d1da..21946ba7562 100644
--- a/bisimulation_aaai2020/grid_world/grid_world.py
+++ b/bisimulation_aaai2020/grid_world/grid_world.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bisimulation_aaai2020/run.sh b/bisimulation_aaai2020/run.sh
index 2e0b96a68c2..033cc83d9d5 100644
--- a/bisimulation_aaai2020/run.sh
+++ b/bisimulation_aaai2020/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bitempered_loss/loss.py b/bitempered_loss/loss.py
index f814be4f5f3..cffd672f38f 100644
--- a/bitempered_loss/loss.py
+++ b/bitempered_loss/loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bitempered_loss/loss_test.py b/bitempered_loss/loss_test.py
index 1bb12599f2b..2f77a9c66d7 100644
--- a/bitempered_loss/loss_test.py
+++ b/bitempered_loss/loss_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/bitempered_loss/run.sh b/bitempered_loss/run.sh
index 11e06e0f0bb..4eaf083bbc8 100755
--- a/bitempered_loss/run.sh
+++ b/bitempered_loss/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/__init__.py b/capsule_em/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/capsule_em/__init__.py
+++ b/capsule_em/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/em_layers.py b/capsule_em/em_layers.py
index 6889250e0dc..7ebd31caa1c 100644
--- a/capsule_em/em_layers.py
+++ b/capsule_em/em_layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/em_model.py b/capsule_em/em_model.py
index 97692bd8c95..304deba73d9 100644
--- a/capsule_em/em_model.py
+++ b/capsule_em/em_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/experiment.py b/capsule_em/experiment.py
index d3d143abd12..23d629b27da 100644
--- a/capsule_em/experiment.py
+++ b/capsule_em/experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/layers.py b/capsule_em/layers.py
index 810a15da17e..815c8559f93 100644
--- a/capsule_em/layers.py
+++ b/capsule_em/layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/mnist/__init__.py b/capsule_em/mnist/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/capsule_em/mnist/__init__.py
+++ b/capsule_em/mnist/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/mnist/mnist_record.py b/capsule_em/mnist/mnist_record.py
index e9d4da00ac1..16669e21ffc 100644
--- a/capsule_em/mnist/mnist_record.py
+++ b/capsule_em/mnist/mnist_record.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/model.py b/capsule_em/model.py
index 23d90fa2f2c..7bd17916d50 100644
--- a/capsule_em/model.py
+++ b/capsule_em/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/norb/__init__.py b/capsule_em/norb/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/capsule_em/norb/__init__.py
+++ b/capsule_em/norb/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/norb/norb_convert.py b/capsule_em/norb/norb_convert.py
index 9f7b2c081b6..d5550062fb0 100644
--- a/capsule_em/norb/norb_convert.py
+++ b/capsule_em/norb/norb_convert.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/norb/norb_record.py b/capsule_em/norb/norb_record.py
index 4c199b8aa21..f718baf7451 100644
--- a/capsule_em/norb/norb_record.py
+++ b/capsule_em/norb/norb_record.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/run.sh b/capsule_em/run.sh
index e462387b243..d9b60e66b7f 100644
--- a/capsule_em/run.sh
+++ b/capsule_em/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/simple_model.py b/capsule_em/simple_model.py
index 95f0cd9cfb8..a6f142645e7 100644
--- a/capsule_em/simple_model.py
+++ b/capsule_em/simple_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/capsule_em/utils.py b/capsule_em/utils.py
index 7cc04e7271c..eff0eccbd62 100644
--- a/capsule_em/utils.py
+++ b/capsule_em/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/__init__.py b/cfq/__init__.py
index 122de214f6c..40821125b29 100644
--- a/cfq/__init__.py
+++ b/cfq/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/cfq/__init__.py b/cfq/cfq/__init__.py
index 6512381293a..3849187136d 100644
--- a/cfq/cfq/__init__.py
+++ b/cfq/cfq/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/cfq/cfq.py b/cfq/cfq/cfq.py
index 2399f3a52a6..4ef10dd5946 100644
--- a/cfq/cfq/cfq.py
+++ b/cfq/cfq/cfq.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/evaluate.py b/cfq/evaluate.py
index ff804cb6c9c..1da03c16011 100644
--- a/cfq/evaluate.py
+++ b/cfq/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/preprocess_dataset.py b/cfq/preprocess_dataset.py
index 23430735a5b..d431d99244f 100644
--- a/cfq/preprocess_dataset.py
+++ b/cfq/preprocess_dataset.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/run.sh b/cfq/run.sh
index 860590318cf..bfc5d36fa08 100755
--- a/cfq/run.sh
+++ b/cfq/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cfq/run_experiment.sh b/cfq/run_experiment.sh
index 42d20efef5b..d2ffb1fb226 100755
--- a/cfq/run_experiment.sh
+++ b/cfq/run_experiment.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/__init__.py b/cluster_gcn/__init__.py
index 122de214f6c..40821125b29 100644
--- a/cluster_gcn/__init__.py
+++ b/cluster_gcn/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/inits.py b/cluster_gcn/inits.py
index 1ad2a6eaccb..55c353dad3c 100644
--- a/cluster_gcn/inits.py
+++ b/cluster_gcn/inits.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/layers.py b/cluster_gcn/layers.py
index b4170811fb9..550bac6332e 100644
--- a/cluster_gcn/layers.py
+++ b/cluster_gcn/layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/metrics.py b/cluster_gcn/metrics.py
index 265889a106f..d51915d22a9 100644
--- a/cluster_gcn/metrics.py
+++ b/cluster_gcn/metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/models.py b/cluster_gcn/models.py
index 60ea6672084..75b3db608fd 100755
--- a/cluster_gcn/models.py
+++ b/cluster_gcn/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/partition_utils.py b/cluster_gcn/partition_utils.py
index 87c9f01e894..373fb9f62b9 100644
--- a/cluster_gcn/partition_utils.py
+++ b/cluster_gcn/partition_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/run_ppi.sh b/cluster_gcn/run_ppi.sh
index df33b27cec7..57d1cb086eb 100755
--- a/cluster_gcn/run_ppi.sh
+++ b/cluster_gcn/run_ppi.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/run_reddit.sh b/cluster_gcn/run_reddit.sh
index 22a851cf89f..fb52acdbbb7 100755
--- a/cluster_gcn/run_reddit.sh
+++ b/cluster_gcn/run_reddit.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/train.py b/cluster_gcn/train.py
index d57c8cf7576..5f5bf806bab 100755
--- a/cluster_gcn/train.py
+++ b/cluster_gcn/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cluster_gcn/utils.py b/cluster_gcn/utils.py
index 7f5c76a9f3e..e06ace91577 100644
--- a/cluster_gcn/utils.py
+++ b/cluster_gcn/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/affinities.py b/clustering_normalized_cuts/affinities.py
index 5faf0e45169..8d6a8675bc7 100644
--- a/clustering_normalized_cuts/affinities.py
+++ b/clustering_normalized_cuts/affinities.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/cnc_net.py b/clustering_normalized_cuts/cnc_net.py
index 1eae03fbebf..3a4012929ca 100644
--- a/clustering_normalized_cuts/cnc_net.py
+++ b/clustering_normalized_cuts/cnc_net.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/data_loader.py b/clustering_normalized_cuts/data_loader.py
index 020a92cf85a..9340be7684e 100644
--- a/clustering_normalized_cuts/data_loader.py
+++ b/clustering_normalized_cuts/data_loader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/layer.py b/clustering_normalized_cuts/layer.py
index 77bc9b7e9a3..56828467520 100644
--- a/clustering_normalized_cuts/layer.py
+++ b/clustering_normalized_cuts/layer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/networks.py b/clustering_normalized_cuts/networks.py
index d35d72aa074..cb7946bd07f 100644
--- a/clustering_normalized_cuts/networks.py
+++ b/clustering_normalized_cuts/networks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/pairs.py b/clustering_normalized_cuts/pairs.py
index bfa2a53ceae..6494cf83725 100644
--- a/clustering_normalized_cuts/pairs.py
+++ b/clustering_normalized_cuts/pairs.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/run.py b/clustering_normalized_cuts/run.py
index d089fb05cdb..b8eeeede357 100644
--- a/clustering_normalized_cuts/run.py
+++ b/clustering_normalized_cuts/run.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/setup.py b/clustering_normalized_cuts/setup.py
index a4b1a0dfbd6..2f8f1c3353e 100644
--- a/clustering_normalized_cuts/setup.py
+++ b/clustering_normalized_cuts/setup.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/train.py b/clustering_normalized_cuts/train.py
index 3b44994af0b..11a9571ea4f 100644
--- a/clustering_normalized_cuts/train.py
+++ b/clustering_normalized_cuts/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/clustering_normalized_cuts/util.py b/clustering_normalized_cuts/util.py
index 8cc33d27ed6..7f6dc0ca17c 100644
--- a/clustering_normalized_cuts/util.py
+++ b/clustering_normalized_cuts/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/__init__.py b/cnn_quantization/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/__init__.py
+++ b/cnn_quantization/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/run.sh b/cnn_quantization/run.sh
index a7426584103..38252016b55 100755
--- a/cnn_quantization/run.sh
+++ b/cnn_quantization/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/__init__.py b/cnn_quantization/tf_cnn_benchmarks/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/tf_cnn_benchmarks/__init__.py
+++ b/cnn_quantization/tf_cnn_benchmarks/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark.py b/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark.py
index 797df9df826..c68a66f2203 100644
--- a/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark.py
+++ b/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark_test.py b/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark_test.py
index 12a3db474e7..993df651b92 100644
--- a/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/all_reduce_benchmark_test.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/allreduce.py b/cnn_quantization/tf_cnn_benchmarks/allreduce.py
index ca17f6f2b9a..cf95d24b67a 100644
--- a/cnn_quantization/tf_cnn_benchmarks/allreduce.py
+++ b/cnn_quantization/tf_cnn_benchmarks/allreduce.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/allreduce_test.py b/cnn_quantization/tf_cnn_benchmarks/allreduce_test.py
index c8f59c37600..4db4cd899f7 100644
--- a/cnn_quantization/tf_cnn_benchmarks/allreduce_test.py
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@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/batch_allreduce.py b/cnn_quantization/tf_cnn_benchmarks/batch_allreduce.py
index 68f146f2ad6..ab9ac8c9b95 100644
--- a/cnn_quantization/tf_cnn_benchmarks/batch_allreduce.py
+++ b/cnn_quantization/tf_cnn_benchmarks/batch_allreduce.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn.py b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn.py
index 44519dd5c64..88c78d4df81 100644
--- a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test.py b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test.py
index c8d9096f6b7..e7b38a6fb77 100644
--- a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test_runner.py b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test_runner.py
index 05235b9ddd5..60a136e1a79 100644
--- a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_distributed_test_runner.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_test.py b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_test.py
index 62ef781df2e..661214b3dce 100644
--- a/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/benchmark_cnn_test.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/cnn_util.py b/cnn_quantization/tf_cnn_benchmarks/cnn_util.py
index 4f2ad1ff67b..df88ccf885b 100644
--- a/cnn_quantization/tf_cnn_benchmarks/cnn_util.py
+++ b/cnn_quantization/tf_cnn_benchmarks/cnn_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/cnn_util_test.py b/cnn_quantization/tf_cnn_benchmarks/cnn_util_test.py
index 0a7da379ac1..9d884ce3316 100644
--- a/cnn_quantization/tf_cnn_benchmarks/cnn_util_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/cnn_util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/coco_metric.py b/cnn_quantization/tf_cnn_benchmarks/coco_metric.py
index 7fae9058518..80349d006cc 100644
--- a/cnn_quantization/tf_cnn_benchmarks/coco_metric.py
+++ b/cnn_quantization/tf_cnn_benchmarks/coco_metric.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/constants.py b/cnn_quantization/tf_cnn_benchmarks/constants.py
index d16990e479c..68c6ad0642a 100644
--- a/cnn_quantization/tf_cnn_benchmarks/constants.py
+++ b/cnn_quantization/tf_cnn_benchmarks/constants.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/convnet_builder.py b/cnn_quantization/tf_cnn_benchmarks/convnet_builder.py
index cf0276884bb..584e41d7d32 100644
--- a/cnn_quantization/tf_cnn_benchmarks/convnet_builder.py
+++ b/cnn_quantization/tf_cnn_benchmarks/convnet_builder.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/datasets.py b/cnn_quantization/tf_cnn_benchmarks/datasets.py
index 91e670dcbc6..55f7dac7edb 100644
--- a/cnn_quantization/tf_cnn_benchmarks/datasets.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/cnn_quantization/tf_cnn_benchmarks/flags.py b/cnn_quantization/tf_cnn_benchmarks/flags.py
index c0f41b5e4f3..314aec6359d 100644
--- a/cnn_quantization/tf_cnn_benchmarks/flags.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/mlperf.py b/cnn_quantization/tf_cnn_benchmarks/mlperf.py
index 90d695ddee8..262e42af478 100644
--- a/cnn_quantization/tf_cnn_benchmarks/mlperf.py
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@@ -1,5 +1,5 @@
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+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/mlperf_test.py b/cnn_quantization/tf_cnn_benchmarks/mlperf_test.py
index b1c589e9efe..992ee5f7dbf 100644
--- a/cnn_quantization/tf_cnn_benchmarks/mlperf_test.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/__init__.py b/cnn_quantization/tf_cnn_benchmarks/models/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/__init__.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/__init__.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/alexnet_model.py b/cnn_quantization/tf_cnn_benchmarks/models/alexnet_model.py
index 7fb3a1d66a2..1c94ce8cba0 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/alexnet_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/alexnet_model.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/densenet_model.py b/cnn_quantization/tf_cnn_benchmarks/models/densenet_model.py
index 8e8d46cd921..79f74c4c5c2 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/densenet_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/densenet_model.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/googlenet_model.py b/cnn_quantization/tf_cnn_benchmarks/models/googlenet_model.py
index 4d3db76247e..de3a871beb9 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/googlenet_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/googlenet_model.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/inception_model.py b/cnn_quantization/tf_cnn_benchmarks/models/inception_model.py
index 6f254769665..55059b97ad6 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/inception_model.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/lenet_model.py b/cnn_quantization/tf_cnn_benchmarks/models/lenet_model.py
index cd899332069..e4b80f349b9 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/lenet_model.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/model.py b/cnn_quantization/tf_cnn_benchmarks/models/model.py
index eae14c05d18..d58a0285393 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/model.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/model_config.py b/cnn_quantization/tf_cnn_benchmarks/models/model_config.py
index f5b1baf12ec..4622a6fa373 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/model_config.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/model_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/overfeat_model.py b/cnn_quantization/tf_cnn_benchmarks/models/overfeat_model.py
index 6dcbd0a3d28..833e797ff05 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/overfeat_model.py
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@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/resnet_model.py b/cnn_quantization/tf_cnn_benchmarks/models/resnet_model.py
index 59e958e5677..1fa1a6ed766 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/resnet_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/resnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/resnet_model_test.py b/cnn_quantization/tf_cnn_benchmarks/models/resnet_model_test.py
index 2b4a7a7b1ad..9e67b56eb3d 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/resnet_model_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/resnet_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/ssd_model.py b/cnn_quantization/tf_cnn_benchmarks/models/ssd_model.py
index de876c40699..54fabe10c73 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/ssd_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/ssd_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/trivial_model.py b/cnn_quantization/tf_cnn_benchmarks/models/trivial_model.py
index 5bdb32d18f5..e4e7f09d246 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/trivial_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/trivial_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/models/vgg_model.py b/cnn_quantization/tf_cnn_benchmarks/models/vgg_model.py
index 83b33c80b4e..efa4c14f631 100644
--- a/cnn_quantization/tf_cnn_benchmarks/models/vgg_model.py
+++ b/cnn_quantization/tf_cnn_benchmarks/models/vgg_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/platforms/__init__.py b/cnn_quantization/tf_cnn_benchmarks/platforms/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/tf_cnn_benchmarks/platforms/__init__.py
+++ b/cnn_quantization/tf_cnn_benchmarks/platforms/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/platforms/default/__init__.py b/cnn_quantization/tf_cnn_benchmarks/platforms/default/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/tf_cnn_benchmarks/platforms/default/__init__.py
+++ b/cnn_quantization/tf_cnn_benchmarks/platforms/default/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/platforms/default/util.py b/cnn_quantization/tf_cnn_benchmarks/platforms/default/util.py
index 40e2a387a5c..671a4eb7960 100644
--- a/cnn_quantization/tf_cnn_benchmarks/platforms/default/util.py
+++ b/cnn_quantization/tf_cnn_benchmarks/platforms/default/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/platforms/util.py b/cnn_quantization/tf_cnn_benchmarks/platforms/util.py
index 1991050ad56..9b6318e135d 100644
--- a/cnn_quantization/tf_cnn_benchmarks/platforms/util.py
+++ b/cnn_quantization/tf_cnn_benchmarks/platforms/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/preprocessing.py b/cnn_quantization/tf_cnn_benchmarks/preprocessing.py
index dfea0d73d7a..e78f3abd29d 100644
--- a/cnn_quantization/tf_cnn_benchmarks/preprocessing.py
+++ b/cnn_quantization/tf_cnn_benchmarks/preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/run_tests.py b/cnn_quantization/tf_cnn_benchmarks/run_tests.py
index 22b4676bb77..4c19479aa08 100644
--- a/cnn_quantization/tf_cnn_benchmarks/run_tests.py
+++ b/cnn_quantization/tf_cnn_benchmarks/run_tests.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/ssd_constants.py b/cnn_quantization/tf_cnn_benchmarks/ssd_constants.py
index 00f2fba444c..2ec7399cb41 100644
--- a/cnn_quantization/tf_cnn_benchmarks/ssd_constants.py
+++ b/cnn_quantization/tf_cnn_benchmarks/ssd_constants.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/ssd_dataloader.py b/cnn_quantization/tf_cnn_benchmarks/ssd_dataloader.py
index 2b380da78c2..9320ab341f1 100644
--- a/cnn_quantization/tf_cnn_benchmarks/ssd_dataloader.py
+++ b/cnn_quantization/tf_cnn_benchmarks/ssd_dataloader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/test_data/__init__.py b/cnn_quantization/tf_cnn_benchmarks/test_data/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/cnn_quantization/tf_cnn_benchmarks/test_data/__init__.py
+++ b/cnn_quantization/tf_cnn_benchmarks/test_data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/test_data/create_cifar10_test_data.py b/cnn_quantization/tf_cnn_benchmarks/test_data/create_cifar10_test_data.py
index 1095f93b35a..1afe5917b0b 100644
--- a/cnn_quantization/tf_cnn_benchmarks/test_data/create_cifar10_test_data.py
+++ b/cnn_quantization/tf_cnn_benchmarks/test_data/create_cifar10_test_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/test_data/tfrecord_image_generator.py b/cnn_quantization/tf_cnn_benchmarks/test_data/tfrecord_image_generator.py
index 3672acd09c8..e0623cf9b81 100644
--- a/cnn_quantization/tf_cnn_benchmarks/test_data/tfrecord_image_generator.py
+++ b/cnn_quantization/tf_cnn_benchmarks/test_data/tfrecord_image_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/test_util.py b/cnn_quantization/tf_cnn_benchmarks/test_util.py
index ff8cd3d9b83..205efd78312 100644
--- a/cnn_quantization/tf_cnn_benchmarks/test_util.py
+++ b/cnn_quantization/tf_cnn_benchmarks/test_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/tf_cnn_benchmarks.py b/cnn_quantization/tf_cnn_benchmarks/tf_cnn_benchmarks.py
index 54789cd1d0a..bd5b479940d 100644
--- a/cnn_quantization/tf_cnn_benchmarks/tf_cnn_benchmarks.py
+++ b/cnn_quantization/tf_cnn_benchmarks/tf_cnn_benchmarks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/variable_mgr.py b/cnn_quantization/tf_cnn_benchmarks/variable_mgr.py
index 823e2b04ea8..a77c8a75d95 100644
--- a/cnn_quantization/tf_cnn_benchmarks/variable_mgr.py
+++ b/cnn_quantization/tf_cnn_benchmarks/variable_mgr.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util.py b/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util.py
index 08a0b045e72..634ed4812b9 100644
--- a/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util.py
+++ b/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util_test.py b/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util_test.py
index 489feedd5aa..50e846487f0 100644
--- a/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util_test.py
+++ b/cnn_quantization/tf_cnn_benchmarks/variable_mgr_util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/compile_protos.sh b/compile_protos.sh
index 326ecbe3d2f..33c2b7e6e63 100644
--- a/compile_protos.sh
+++ b/compile_protos.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/awa_helper.py b/concept_explanations/awa_helper.py
index 29f835ac67b..c58ab1685ec 100644
--- a/concept_explanations/awa_helper.py
+++ b/concept_explanations/awa_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/awa_main.py b/concept_explanations/awa_main.py
index 450e6859e38..56013e13a1f 100644
--- a/concept_explanations/awa_main.py
+++ b/concept_explanations/awa_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/create_toy.py b/concept_explanations/create_toy.py
index 739c1da5c1f..a083b423717 100644
--- a/concept_explanations/create_toy.py
+++ b/concept_explanations/create_toy.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/ipca.py b/concept_explanations/ipca.py
index 82f41a9e6b5..b6ebae68930 100644
--- a/concept_explanations/ipca.py
+++ b/concept_explanations/ipca.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/run.sh b/concept_explanations/run.sh
index 6772fa1e266..c1e4567b505 100644
--- a/concept_explanations/run.sh
+++ b/concept_explanations/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/toy_baseline.py b/concept_explanations/toy_baseline.py
index 773897fc578..f29285054e7 100644
--- a/concept_explanations/toy_baseline.py
+++ b/concept_explanations/toy_baseline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/toy_helper.py b/concept_explanations/toy_helper.py
index 305436b5a19..79ebcbf1ab4 100644
--- a/concept_explanations/toy_helper.py
+++ b/concept_explanations/toy_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/concept_explanations/toy_main.py b/concept_explanations/toy_main.py
index 3de8c482f36..f0176314c1b 100644
--- a/concept_explanations/toy_main.py
+++ b/concept_explanations/toy_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/distance.py b/correct_batch_effects_wdn/distance.py
index 5a203af55b2..887d45f89a3 100644
--- a/correct_batch_effects_wdn/distance.py
+++ b/correct_batch_effects_wdn/distance.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/distance_test.py b/correct_batch_effects_wdn/distance_test.py
index 7e26d44c9ac..7ff6f1eb7c4 100644
--- a/correct_batch_effects_wdn/distance_test.py
+++ b/correct_batch_effects_wdn/distance_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/evaluate.py b/correct_batch_effects_wdn/evaluate.py
index 5535c3c73cf..9bf99e72954 100644
--- a/correct_batch_effects_wdn/evaluate.py
+++ b/correct_batch_effects_wdn/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/evaluate_metrics.py b/correct_batch_effects_wdn/evaluate_metrics.py
index 33cc941a6f3..45b711e8474 100644
--- a/correct_batch_effects_wdn/evaluate_metrics.py
+++ b/correct_batch_effects_wdn/evaluate_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/evaluate_test.py b/correct_batch_effects_wdn/evaluate_test.py
index bb9202132f7..ab8dc505e66 100644
--- a/correct_batch_effects_wdn/evaluate_test.py
+++ b/correct_batch_effects_wdn/evaluate_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/forgetting_nuisance.py b/correct_batch_effects_wdn/forgetting_nuisance.py
index 3bfec59981a..82072893265 100644
--- a/correct_batch_effects_wdn/forgetting_nuisance.py
+++ b/correct_batch_effects_wdn/forgetting_nuisance.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/forgetting_nuisance_test.py b/correct_batch_effects_wdn/forgetting_nuisance_test.py
index 41c573aeea7..384f4187d74 100644
--- a/correct_batch_effects_wdn/forgetting_nuisance_test.py
+++ b/correct_batch_effects_wdn/forgetting_nuisance_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/io_utils.py b/correct_batch_effects_wdn/io_utils.py
index 5126cc398c2..8a05062f0c8 100644
--- a/correct_batch_effects_wdn/io_utils.py
+++ b/correct_batch_effects_wdn/io_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/io_utils_test.py b/correct_batch_effects_wdn/io_utils_test.py
index bfeeaae2bfc..6bfc613a655 100644
--- a/correct_batch_effects_wdn/io_utils_test.py
+++ b/correct_batch_effects_wdn/io_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/ljosa_embeddings_to_h5.py b/correct_batch_effects_wdn/ljosa_embeddings_to_h5.py
index 8a82df243a0..9a52859cfab 100644
--- a/correct_batch_effects_wdn/ljosa_embeddings_to_h5.py
+++ b/correct_batch_effects_wdn/ljosa_embeddings_to_h5.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/ljosa_preprocessing.py b/correct_batch_effects_wdn/ljosa_preprocessing.py
index 7efbffb752d..7259ef477b7 100644
--- a/correct_batch_effects_wdn/ljosa_preprocessing.py
+++ b/correct_batch_effects_wdn/ljosa_preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/metadata.py b/correct_batch_effects_wdn/metadata.py
index 1e1c74f710a..6fe520ebe91 100644
--- a/correct_batch_effects_wdn/metadata.py
+++ b/correct_batch_effects_wdn/metadata.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/transform.py b/correct_batch_effects_wdn/transform.py
index f164d1c5753..b83cf3e3c10 100644
--- a/correct_batch_effects_wdn/transform.py
+++ b/correct_batch_effects_wdn/transform.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/correct_batch_effects_wdn/transform_test.py b/correct_batch_effects_wdn/transform_test.py
index d3a1847028e..791cba52571 100644
--- a/correct_batch_effects_wdn/transform_test.py
+++ b/correct_batch_effects_wdn/transform_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/common.py b/dac/common.py
index 87d7795c874..2fb50d52c4a 100644
--- a/dac/common.py
+++ b/dac/common.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/create_demos.py b/dac/create_demos.py
index 1d5b3e3a193..96d665a125d 100644
--- a/dac/create_demos.py
+++ b/dac/create_demos.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/ddpg_td3.py b/dac/ddpg_td3.py
index 3d13aa9b63b..8a7a8b8c68a 100644
--- a/dac/ddpg_td3.py
+++ b/dac/ddpg_td3.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/evaluation_worker.py b/dac/evaluation_worker.py
index 3ed828123f9..735241c4579 100644
--- a/dac/evaluation_worker.py
+++ b/dac/evaluation_worker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/gail.py b/dac/gail.py
index 8da6f0291d2..92adadf0f53 100644
--- a/dac/gail.py
+++ b/dac/gail.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/generate_expert_data.py b/dac/generate_expert_data.py
index 5244a1d820c..cf1a6d8bcef 100644
--- a/dac/generate_expert_data.py
+++ b/dac/generate_expert_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/lfd_envs.py b/dac/lfd_envs.py
index 744f426119f..94afcfc33e1 100644
--- a/dac/lfd_envs.py
+++ b/dac/lfd_envs.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/lfd_training_worker.py b/dac/lfd_training_worker.py
index c175977f855..67addda5e0d 100644
--- a/dac/lfd_training_worker.py
+++ b/dac/lfd_training_worker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/replay_buffer.py b/dac/replay_buffer.py
index 52674c1abd1..bd1432a8ea5 100644
--- a/dac/replay_buffer.py
+++ b/dac/replay_buffer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/run_evaluation_worker.sh b/dac/run_evaluation_worker.sh
index ce87549c6ec..c50d07cc503 100755
--- a/dac/run_evaluation_worker.sh
+++ b/dac/run_evaluation_worker.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/run_training_worker.sh b/dac/run_training_worker.sh
index 222c7de8aa7..9d2b1bade80 100755
--- a/dac/run_training_worker.sh
+++ b/dac/run_training_worker.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/training_worker.py b/dac/training_worker.py
index 35c6e170df6..8de31cd73ba 100644
--- a/dac/training_worker.py
+++ b/dac/training_worker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dac/utils.py b/dac/utils.py
index 6761ad5d776..13c48b17463 100644
--- a/dac/utils.py
+++ b/dac/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/__init__.py b/dataset_analysis/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/dataset_analysis/__init__.py
+++ b/dataset_analysis/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/analyze_data.py b/dataset_analysis/analyze_data.py
index e330d54ad83..d5b7dc63c84 100644
--- a/dataset_analysis/analyze_data.py
+++ b/dataset_analysis/analyze_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/bert/__init__.py b/dataset_analysis/bert/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/dataset_analysis/bert/__init__.py
+++ b/dataset_analysis/bert/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/bert/modeling.py b/dataset_analysis/bert/modeling.py
index bd22c48ee63..d4f1a7739a5 100644
--- a/dataset_analysis/bert/modeling.py
+++ b/dataset_analysis/bert/modeling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/bert/optimization.py b/dataset_analysis/bert/optimization.py
index 3d1f3aa339a..e11e6fa56c4 100644
--- a/dataset_analysis/bert/optimization.py
+++ b/dataset_analysis/bert/optimization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/bert/tokenization.py b/dataset_analysis/bert/tokenization.py
index 81e8221c243..76be9a5e674 100644
--- a/dataset_analysis/bert/tokenization.py
+++ b/dataset_analysis/bert/tokenization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/bert_classifier.py b/dataset_analysis/bert_classifier.py
index e2ff5a217ff..62c268b6d6b 100644
--- a/dataset_analysis/bert_classifier.py
+++ b/dataset_analysis/bert_classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/extract_words.py b/dataset_analysis/extract_words.py
index 6cbe47d5f95..3d8bf37eaee 100644
--- a/dataset_analysis/extract_words.py
+++ b/dataset_analysis/extract_words.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/inspect_output_layer_weights.py b/dataset_analysis/inspect_output_layer_weights.py
index ee4a9727aea..00801c6c02a 100644
--- a/dataset_analysis/inspect_output_layer_weights.py
+++ b/dataset_analysis/inspect_output_layer_weights.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/learn_target_relations.py b/dataset_analysis/learn_target_relations.py
index 7224adfe38c..483dd326a6c 100644
--- a/dataset_analysis/learn_target_relations.py
+++ b/dataset_analysis/learn_target_relations.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/ppca.py b/dataset_analysis/ppca.py
index 971cdde7456..55596c022a9 100644
--- a/dataset_analysis/ppca.py
+++ b/dataset_analysis/ppca.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/replace_targets.py b/dataset_analysis/replace_targets.py
index d63f56d4ca8..5d933218002 100644
--- a/dataset_analysis/replace_targets.py
+++ b/dataset_analysis/replace_targets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dataset_analysis/run.sh b/dataset_analysis/run.sh
index 9caecf49d60..05764f4a605 100755
--- a/dataset_analysis/run.sh
+++ b/dataset_analysis/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/data_loader.py b/dble/data_loader.py
index 4342c524d87..bdb358d88c0 100644
--- a/dble/data_loader.py
+++ b/dble/data_loader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/main_dble.py b/dble/main_dble.py
index 3c8e37cbc00..6735e01fa06 100644
--- a/dble/main_dble.py
+++ b/dble/main_dble.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/mlp.py b/dble/mlp.py
index 08139c9838d..bc79ec5651f 100644
--- a/dble/mlp.py
+++ b/dble/mlp.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/resnet.py b/dble/resnet.py
index d3fcc7b5459..70b064bcee3 100644
--- a/dble/resnet.py
+++ b/dble/resnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/run.sh b/dble/run.sh
index 3f6ffaa7ae2..d451e6d0ed7 100755
--- a/dble/run.sh
+++ b/dble/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/tiny_imagenet.py b/dble/tiny_imagenet.py
index ed5408a16c0..767eddbfe26 100644
--- a/dble/tiny_imagenet.py
+++ b/dble/tiny_imagenet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/utils.py b/dble/utils.py
index 283ddef5c39..78abdbcad6d 100644
--- a/dble/utils.py
+++ b/dble/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dble/vgg.py b/dble/vgg.py
index 9bc2d3eb4da..7cd34ced735 100644
--- a/dble/vgg.py
+++ b/dble/vgg.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/deep_homography/__init__.py b/deep_homography/__init__.py
index 122de214f6c..40821125b29 100644
--- a/deep_homography/__init__.py
+++ b/deep_homography/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/deep_homography/hmg_util.py b/deep_homography/hmg_util.py
index dd57a54244a..c5602b9ad26 100644
--- a/deep_homography/hmg_util.py
+++ b/deep_homography/hmg_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/deep_homography/models.py b/deep_homography/models.py
index 6af5d4f2bed..7abe4003d69 100644
--- a/deep_homography/models.py
+++ b/deep_homography/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/deep_homography/test.py b/deep_homography/test.py
index d97a3089873..49ab8cbb5df 100644
--- a/deep_homography/test.py
+++ b/deep_homography/test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/deep_homography/train.py b/deep_homography/train.py
index 4a76859a355..eb44e14ef59 100644
--- a/deep_homography/train.py
+++ b/deep_homography/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/__init__.py b/demogen/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/demogen/__init__.py
+++ b/demogen/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/data_util.py b/demogen/data_util.py
index 66cd2a59228..91d07d84e3e 100644
--- a/demogen/data_util.py
+++ b/demogen/data_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/example.py b/demogen/example.py
index 4e15c733e94..e868ab991ba 100644
--- a/demogen/example.py
+++ b/demogen/example.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/margin_utils.py b/demogen/margin_utils.py
index c5a358b1ac4..3cd170eb309 100644
--- a/demogen/margin_utils.py
+++ b/demogen/margin_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/model_config.py b/demogen/model_config.py
index 7bbfe146f2f..88eb2584fae 100644
--- a/demogen/model_config.py
+++ b/demogen/model_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/models/__init__.py b/demogen/models/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/demogen/models/__init__.py
+++ b/demogen/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/models/get_model.py b/demogen/models/get_model.py
index 4fdb59b3cab..f61a0e3fa40 100644
--- a/demogen/models/get_model.py
+++ b/demogen/models/get_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/models/nin.py b/demogen/models/nin.py
index 2e5967f2602..9d7271f5e41 100644
--- a/demogen/models/nin.py
+++ b/demogen/models/nin.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/models/resnet.py b/demogen/models/resnet.py
index 05ab700c5ef..4cb73beda7c 100644
--- a/demogen/models/resnet.py
+++ b/demogen/models/resnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/run.sh b/demogen/run.sh
index 7c60010b10b..0a74e7b8177 100644
--- a/demogen/run.sh
+++ b/demogen/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/demogen/total_variation_util.py b/demogen/total_variation_util.py
index e8db09feba1..55a80a2b0a8 100644
--- a/demogen/total_variation_util.py
+++ b/demogen/total_variation_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dense_representations_for_entity_retrieval/parse_wikinews.py b/dense_representations_for_entity_retrieval/parse_wikinews.py
index 54c741a22ff..c5530ae517a 100644
--- a/dense_representations_for_entity_retrieval/parse_wikinews.py
+++ b/dense_representations_for_entity_retrieval/parse_wikinews.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dense_representations_for_entity_retrieval/parse_wikinews.sh b/dense_representations_for_entity_retrieval/parse_wikinews.sh
index 6a65cc7b15f..fab81b57f7e 100755
--- a/dense_representations_for_entity_retrieval/parse_wikinews.sh
+++ b/dense_representations_for_entity_retrieval/parse_wikinews.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dense_representations_for_entity_retrieval/run.sh b/dense_representations_for_entity_retrieval/run.sh
index a31698ea714..ddbadac61a5 100755
--- a/dense_representations_for_entity_retrieval/run.sh
+++ b/dense_representations_for_entity_retrieval/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/__init__.py b/depth_from_video_in_the_wild/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/depth_from_video_in_the_wild/__init__.py
+++ b/depth_from_video_in_the_wild/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/consistency_losses.py b/depth_from_video_in_the_wild/consistency_losses.py
index 00ac0573eea..fa726880a36 100644
--- a/depth_from_video_in_the_wild/consistency_losses.py
+++ b/depth_from_video_in_the_wild/consistency_losses.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/depth_prediction_net.py b/depth_from_video_in_the_wild/depth_prediction_net.py
index 58c1e3a304c..22ecce53be1 100644
--- a/depth_from_video_in_the_wild/depth_prediction_net.py
+++ b/depth_from_video_in_the_wild/depth_prediction_net.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/model.py b/depth_from_video_in_the_wild/model.py
index e535b4028e8..12e4d05637e 100644
--- a/depth_from_video_in_the_wild/model.py
+++ b/depth_from_video_in_the_wild/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/motion_prediction_net.py b/depth_from_video_in_the_wild/motion_prediction_net.py
index 19865120d48..70645369db0 100644
--- a/depth_from_video_in_the_wild/motion_prediction_net.py
+++ b/depth_from_video_in_the_wild/motion_prediction_net.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/randomized_layer_normalization.py b/depth_from_video_in_the_wild/randomized_layer_normalization.py
index bbc3954aff1..649ecbe6ca0 100644
--- a/depth_from_video_in_the_wild/randomized_layer_normalization.py
+++ b/depth_from_video_in_the_wild/randomized_layer_normalization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/reader.py b/depth_from_video_in_the_wild/reader.py
index 384a207ecb1..2d252efc363 100644
--- a/depth_from_video_in_the_wild/reader.py
+++ b/depth_from_video_in_the_wild/reader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/render_euroc_depth.py b/depth_from_video_in_the_wild/render_euroc_depth.py
index 954a5dbc991..9e4550c29f5 100644
--- a/depth_from_video_in_the_wild/render_euroc_depth.py
+++ b/depth_from_video_in_the_wild/render_euroc_depth.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/run.sh b/depth_from_video_in_the_wild/run.sh
index fdab641825a..2f0f2160be1 100755
--- a/depth_from_video_in_the_wild/run.sh
+++ b/depth_from_video_in_the_wild/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/train.py b/depth_from_video_in_the_wild/train.py
index f9d7f9739db..d25a386eb9a 100644
--- a/depth_from_video_in_the_wild/train.py
+++ b/depth_from_video_in_the_wild/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/trajectory_inference.py b/depth_from_video_in_the_wild/trajectory_inference.py
index 58c07a56bd1..1aaa892a72d 100644
--- a/depth_from_video_in_the_wild/trajectory_inference.py
+++ b/depth_from_video_in_the_wild/trajectory_inference.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/transform_depth_map.py b/depth_from_video_in_the_wild/transform_depth_map.py
index e45f0f3e2ec..dcf29e898fe 100644
--- a/depth_from_video_in_the_wild/transform_depth_map.py
+++ b/depth_from_video_in_the_wild/transform_depth_map.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/depth_from_video_in_the_wild/transform_utils.py b/depth_from_video_in_the_wild/transform_utils.py
index 81394f8e42a..db8fed295a2 100644
--- a/depth_from_video_in_the_wild/transform_utils.py
+++ b/depth_from_video_in_the_wild/transform_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dictionary_learning/__init__.py b/dictionary_learning/__init__.py
index 122de214f6c..40821125b29 100644
--- a/dictionary_learning/__init__.py
+++ b/dictionary_learning/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dictionary_learning/dictionary_learning.py b/dictionary_learning/dictionary_learning.py
index 2d65ff4acb7..4941b5e5f32 100644
--- a/dictionary_learning/dictionary_learning.py
+++ b/dictionary_learning/dictionary_learning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dictionary_learning/dictionary_learning_test.py b/dictionary_learning/dictionary_learning_test.py
index 181c2a84cc2..378cb548ab4 100644
--- a/dictionary_learning/dictionary_learning_test.py
+++ b/dictionary_learning/dictionary_learning_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dictionary_learning/run.sh b/dictionary_learning/run.sh
index a3da5c5a7b9..d962133049a 100644
--- a/dictionary_learning/run.sh
+++ b/dictionary_learning/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/__init__.py b/dql_grasping/__init__.py
index 2faa121f3cd..1511ba0b062 100644
--- a/dql_grasping/__init__.py
+++ b/dql_grasping/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/collect_eval.py b/dql_grasping/collect_eval.py
index 4ae291831a4..da2bba4a337 100644
--- a/dql_grasping/collect_eval.py
+++ b/dql_grasping/collect_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/cross_entropy.py b/dql_grasping/cross_entropy.py
index 50a0b4558d1..7ea2aa82f6d 100644
--- a/dql_grasping/cross_entropy.py
+++ b/dql_grasping/cross_entropy.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/ddpg_graph.py b/dql_grasping/ddpg_graph.py
index 780eba5b7b0..1342cac65f5 100644
--- a/dql_grasping/ddpg_graph.py
+++ b/dql_grasping/ddpg_graph.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/episode_to_transitions.py b/dql_grasping/episode_to_transitions.py
index 456f82c765d..297e6852b3d 100644
--- a/dql_grasping/episode_to_transitions.py
+++ b/dql_grasping/episode_to_transitions.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/gin_imports.py b/dql_grasping/gin_imports.py
index 73b9e0b5387..3335b6d0599 100644
--- a/dql_grasping/gin_imports.py
+++ b/dql_grasping/gin_imports.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/grasping_env.py b/dql_grasping/grasping_env.py
index 1def3de3246..7f347e517ea 100644
--- a/dql_grasping/grasping_env.py
+++ b/dql_grasping/grasping_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/input_data.py b/dql_grasping/input_data.py
index 68920c45ab2..5045444fdfc 100644
--- a/dql_grasping/input_data.py
+++ b/dql_grasping/input_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/kuka.py b/dql_grasping/kuka.py
index 2cf11f5988c..ffe6711d7b5 100644
--- a/dql_grasping/kuka.py
+++ b/dql_grasping/kuka.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/policies.py b/dql_grasping/policies.py
index cb4f1ca6ecf..460f3b3b327 100644
--- a/dql_grasping/policies.py
+++ b/dql_grasping/policies.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/policies_test.py b/dql_grasping/policies_test.py
index e8e96b263d7..b8fd04d8baf 100644
--- a/dql_grasping/policies_test.py
+++ b/dql_grasping/policies_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/q_graph.py b/dql_grasping/q_graph.py
index 189a9d239f3..44467edcba1 100644
--- a/dql_grasping/q_graph.py
+++ b/dql_grasping/q_graph.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run.sh b/dql_grasping/run.sh
index 76ac13b9f76..9795bb35656 100755
--- a/dql_grasping/run.sh
+++ b/dql_grasping/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run_env.py b/dql_grasping/run_env.py
index b7c07288a51..7f4cf119152 100644
--- a/dql_grasping/run_env.py
+++ b/dql_grasping/run_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run_env_test.py b/dql_grasping/run_env_test.py
index bb24acf65e9..1ebc0464a06 100644
--- a/dql_grasping/run_env_test.py
+++ b/dql_grasping/run_env_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run_random_collect_oss.sh b/dql_grasping/run_random_collect_oss.sh
index f05531c2b1f..09a18047795 100644
--- a/dql_grasping/run_random_collect_oss.sh
+++ b/dql_grasping/run_random_collect_oss.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run_train_collect_eval.py b/dql_grasping/run_train_collect_eval.py
index 0a7026565db..5e8442a9276 100644
--- a/dql_grasping/run_train_collect_eval.py
+++ b/dql_grasping/run_train_collect_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/run_train_collect_eval_oss.sh b/dql_grasping/run_train_collect_eval_oss.sh
index 1985980fc2e..ae4f3980fa5 100644
--- a/dql_grasping/run_train_collect_eval_oss.sh
+++ b/dql_grasping/run_train_collect_eval_oss.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/schedules.py b/dql_grasping/schedules.py
index 01b6cb872b1..9d4f1300b02 100644
--- a/dql_grasping/schedules.py
+++ b/dql_grasping/schedules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/schedules_test.py b/dql_grasping/schedules_test.py
index f213d20ef2b..419c864395c 100644
--- a/dql_grasping/schedules_test.py
+++ b/dql_grasping/schedules_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/tf_critics.py b/dql_grasping/tf_critics.py
index d9e67d23093..6107b42b892 100644
--- a/dql_grasping/tf_critics.py
+++ b/dql_grasping/tf_critics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/tf_modules.py b/dql_grasping/tf_modules.py
index 76ac4a330fe..8da4816d292 100644
--- a/dql_grasping/tf_modules.py
+++ b/dql_grasping/tf_modules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/train_collect_eval.py b/dql_grasping/train_collect_eval.py
index 65faefd7bfe..782c41dafb4 100644
--- a/dql_grasping/train_collect_eval.py
+++ b/dql_grasping/train_collect_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/train_collect_eval_test.py b/dql_grasping/train_collect_eval_test.py
index ebc0dc09793..f40c55821de 100644
--- a/dql_grasping/train_collect_eval_test.py
+++ b/dql_grasping/train_collect_eval_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/train_ddpg.py b/dql_grasping/train_ddpg.py
index a933292534e..862573239a9 100644
--- a/dql_grasping/train_ddpg.py
+++ b/dql_grasping/train_ddpg.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/train_q.py b/dql_grasping/train_q.py
index 707a9b84950..48936bba265 100644
--- a/dql_grasping/train_q.py
+++ b/dql_grasping/train_q.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dql_grasping/writer.py b/dql_grasping/writer.py
index 27eca68ce57..f31c37c70e8 100644
--- a/dql_grasping/writer.py
+++ b/dql_grasping/writer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dreg_estimators/__init__.py b/dreg_estimators/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/dreg_estimators/__init__.py
+++ b/dreg_estimators/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dreg_estimators/main_loop.py b/dreg_estimators/main_loop.py
index 9674d77d08e..543c0030ed0 100644
--- a/dreg_estimators/main_loop.py
+++ b/dreg_estimators/main_loop.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dreg_estimators/model.py b/dreg_estimators/model.py
index 6e733bba2ea..88fdbcc9898 100644
--- a/dreg_estimators/model.py
+++ b/dreg_estimators/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dreg_estimators/run.sh b/dreg_estimators/run.sh
index 171d857e81e..31510307f63 100755
--- a/dreg_estimators/run.sh
+++ b/dreg_estimators/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dreg_estimators/utils.py b/dreg_estimators/utils.py
index e420d47ebdb..ab825cc734b 100644
--- a/dreg_estimators/utils.py
+++ b/dreg_estimators/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/algos/base.py b/dual_dice/algos/base.py
index 07c34fb03b0..d07e4ce930c 100644
--- a/dual_dice/algos/base.py
+++ b/dual_dice/algos/base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/algos/dual_dice.py b/dual_dice/algos/dual_dice.py
index aeeb510027c..29bee4fbe3a 100644
--- a/dual_dice/algos/dual_dice.py
+++ b/dual_dice/algos/dual_dice.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/algos/neural_dual_dice.py b/dual_dice/algos/neural_dual_dice.py
index 8cd0632a7c0..39d4b91945e 100644
--- a/dual_dice/algos/neural_dual_dice.py
+++ b/dual_dice/algos/neural_dual_dice.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/gridworld/environments.py b/dual_dice/gridworld/environments.py
index c0c7de51a82..1c4d0a76910 100644
--- a/dual_dice/gridworld/environments.py
+++ b/dual_dice/gridworld/environments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/gridworld/policies.py b/dual_dice/gridworld/policies.py
index d04838352df..05028ec0335 100644
--- a/dual_dice/gridworld/policies.py
+++ b/dual_dice/gridworld/policies.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/policy.py b/dual_dice/policy.py
index 06b4f87b3f8..5291bdb549e 100644
--- a/dual_dice/policy.py
+++ b/dual_dice/policy.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/run.py b/dual_dice/run.py
index ee3c0765f58..ba19d0a4f6a 100644
--- a/dual_dice/run.py
+++ b/dual_dice/run.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/run.sh b/dual_dice/run.sh
index 5149cf72d43..374f039edcf 100644
--- a/dual_dice/run.sh
+++ b/dual_dice/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dual_dice/transition_data.py b/dual_dice/transition_data.py
index e613964c2ba..2a0b113a934 100644
--- a/dual_dice/transition_data.py
+++ b/dual_dice/transition_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/data_loading.py b/dvrl/data_loading.py
index 4785566274b..e491752f375 100644
--- a/dvrl/data_loading.py
+++ b/dvrl/data_loading.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/dvrl.py b/dvrl/dvrl.py
index 39778478612..94a295b3774 100644
--- a/dvrl/dvrl.py
+++ b/dvrl/dvrl.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/dvrl_metrics.py b/dvrl/dvrl_metrics.py
index 97af105c3e1..e2fcd0a19fe 100644
--- a/dvrl/dvrl_metrics.py
+++ b/dvrl/dvrl_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/dvrl_test.py b/dvrl/dvrl_test.py
index bc96efbb343..83a9689ffd3 100644
--- a/dvrl/dvrl_test.py
+++ b/dvrl/dvrl_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/dvrl_utils.py b/dvrl/dvrl_utils.py
index 867e0c5bf5c..a6a06fefc36 100644
--- a/dvrl/dvrl_utils.py
+++ b/dvrl/dvrl_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/main_corrupted_sample_discovery.py b/dvrl/main_corrupted_sample_discovery.py
index 0d35fb2242a..9b31740d6d7 100644
--- a/dvrl/main_corrupted_sample_discovery.py
+++ b/dvrl/main_corrupted_sample_discovery.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/main_data_valuation.py b/dvrl/main_data_valuation.py
index ec5d18d8826..5521e0bb0ca 100644
--- a/dvrl/main_data_valuation.py
+++ b/dvrl/main_data_valuation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/main_domain_adaptation.py b/dvrl/main_domain_adaptation.py
index ac5ed5c8212..2d5e92de812 100644
--- a/dvrl/main_domain_adaptation.py
+++ b/dvrl/main_domain_adaptation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/main_dvrl_image_transfer_learning.py b/dvrl/main_dvrl_image_transfer_learning.py
index 9efc08a4c2f..59fd32ea5a9 100644
--- a/dvrl/main_dvrl_image_transfer_learning.py
+++ b/dvrl/main_dvrl_image_transfer_learning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/dvrl/run.sh b/dvrl/run.sh
index da322de9f0c..42f22cb9bec 100755
--- a/dvrl/run.sh
+++ b/dvrl/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/__init__.py b/edward2_autoreparam/__init__.py
index 122de214f6c..40821125b29 100644
--- a/edward2_autoreparam/__init__.py
+++ b/edward2_autoreparam/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/analyze_results.py b/edward2_autoreparam/analyze_results.py
index 8f26d811252..0bc8b5a4b4e 100644
--- a/edward2_autoreparam/analyze_results.py
+++ b/edward2_autoreparam/analyze_results.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/experiments.py b/edward2_autoreparam/experiments.py
index e14050884aa..02f394b861c 100644
--- a/edward2_autoreparam/experiments.py
+++ b/edward2_autoreparam/experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/models.py b/edward2_autoreparam/models.py
index f9be5190ef5..5fdcd1dd9fa 100644
--- a/edward2_autoreparam/models.py
+++ b/edward2_autoreparam/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/models_test.py b/edward2_autoreparam/models_test.py
index 4b690c31222..7132825b6db 100644
--- a/edward2_autoreparam/models_test.py
+++ b/edward2_autoreparam/models_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/run.sh b/edward2_autoreparam/run.sh
index 4f1761d5c4f..4c37345ac10 100755
--- a/edward2_autoreparam/run.sh
+++ b/edward2_autoreparam/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/run_experiments.py b/edward2_autoreparam/run_experiments.py
index 26fae2dff11..afe6bb3fcf6 100644
--- a/edward2_autoreparam/run_experiments.py
+++ b/edward2_autoreparam/run_experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/tfp/__init__.py b/edward2_autoreparam/tfp/__init__.py
index 122de214f6c..40821125b29 100644
--- a/edward2_autoreparam/tfp/__init__.py
+++ b/edward2_autoreparam/tfp/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/tfp/interleaved.py b/edward2_autoreparam/tfp/interleaved.py
index 58589322b52..7dbc99a875e 100644
--- a/edward2_autoreparam/tfp/interleaved.py
+++ b/edward2_autoreparam/tfp/interleaved.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/tfp/program_transformations.py b/edward2_autoreparam/tfp/program_transformations.py
index 96f30914232..caa4c824412 100644
--- a/edward2_autoreparam/tfp/program_transformations.py
+++ b/edward2_autoreparam/tfp/program_transformations.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/edward2_autoreparam/util.py b/edward2_autoreparam/util.py
index d2acf9f45e1..eccd1efbca8 100644
--- a/edward2_autoreparam/util.py
+++ b/edward2_autoreparam/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/__init__.py b/eeg_modelling/__init__.py
index 122de214f6c..40821125b29 100644
--- a/eeg_modelling/__init__.py
+++ b/eeg_modelling/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/canonical_errors.cc b/eeg_modelling/edf/base/canonical_errors.cc
index a3a9b9eb243..e7587ec4121 100644
--- a/eeg_modelling/edf/base/canonical_errors.cc
+++ b/eeg_modelling/edf/base/canonical_errors.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/canonical_errors.h b/eeg_modelling/edf/base/canonical_errors.h
index 8e5062f8d3f..5758e0e0064 100644
--- a/eeg_modelling/edf/base/canonical_errors.h
+++ b/eeg_modelling/edf/base/canonical_errors.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/status.cc b/eeg_modelling/edf/base/status.cc
index e2cb528faed..171d623d4ff 100644
--- a/eeg_modelling/edf/base/status.cc
+++ b/eeg_modelling/edf/base/status.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/status.h b/eeg_modelling/edf/base/status.h
index 4ee9d82182a..7115a99ca54 100644
--- a/eeg_modelling/edf/base/status.h
+++ b/eeg_modelling/edf/base/status.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/status_macros.h b/eeg_modelling/edf/base/status_macros.h
index ccbf91f52ca..f928b0d2533 100644
--- a/eeg_modelling/edf/base/status_macros.h
+++ b/eeg_modelling/edf/base/status_macros.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/statusor.cc b/eeg_modelling/edf/base/statusor.cc
index e99bcb830be..1e320e99cdf 100644
--- a/eeg_modelling/edf/base/statusor.cc
+++ b/eeg_modelling/edf/base/statusor.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/statusor.h b/eeg_modelling/edf/base/statusor.h
index fc399187776..0526245e5b6 100644
--- a/eeg_modelling/edf/base/statusor.h
+++ b/eeg_modelling/edf/base/statusor.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/time_proto_util.cc b/eeg_modelling/edf/base/time_proto_util.cc
index 94cbc87f39d..86684bbf4f2 100644
--- a/eeg_modelling/edf/base/time_proto_util.cc
+++ b/eeg_modelling/edf/base/time_proto_util.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/base/time_proto_util.h b/eeg_modelling/edf/base/time_proto_util.h
index b35c9f8b387..ed3d4dd5791 100644
--- a/eeg_modelling/edf/base/time_proto_util.h
+++ b/eeg_modelling/edf/base/time_proto_util.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf.cc b/eeg_modelling/edf/edf.cc
index ce2a45d08bf..6152de736ca 100644
--- a/eeg_modelling/edf/edf.cc
+++ b/eeg_modelling/edf/edf.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf.h b/eeg_modelling/edf/edf.h
index 0d33b2ef4fb..451fba9978f 100644
--- a/eeg_modelling/edf/edf.h
+++ b/eeg_modelling/edf/edf.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_file.cc b/eeg_modelling/edf/edf_file.cc
index 45254cf40ef..710a06d65df 100644
--- a/eeg_modelling/edf/edf_file.cc
+++ b/eeg_modelling/edf/edf_file.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_file.h b/eeg_modelling/edf/edf_file.h
index 698aec44152..f0c757aafb1 100644
--- a/eeg_modelling/edf/edf_file.h
+++ b/eeg_modelling/edf/edf_file.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_oss_file.cc b/eeg_modelling/edf/edf_oss_file.cc
index d92cbd7f666..739e86639e3 100644
--- a/eeg_modelling/edf/edf_oss_file.cc
+++ b/eeg_modelling/edf/edf_oss_file.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_oss_file.h b/eeg_modelling/edf/edf_oss_file.h
index af545d96179..a0963a269bd 100644
--- a/eeg_modelling/edf/edf_oss_file.h
+++ b/eeg_modelling/edf/edf_oss_file.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_reader.cc b/eeg_modelling/edf/edf_reader.cc
index cfd6d27c869..96c941f5c01 100644
--- a/eeg_modelling/edf/edf_reader.cc
+++ b/eeg_modelling/edf/edf_reader.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_reader.h b/eeg_modelling/edf/edf_reader.h
index 14d3bf7cfdd..516ded2618b 100644
--- a/eeg_modelling/edf/edf_reader.h
+++ b/eeg_modelling/edf/edf_reader.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_util.cc b/eeg_modelling/edf/edf_util.cc
index 5d965258d22..c143ab108d7 100644
--- a/eeg_modelling/edf/edf_util.cc
+++ b/eeg_modelling/edf/edf_util.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/edf_util.h b/eeg_modelling/edf/edf_util.h
index ed9a417ffb7..3afa6d796ab 100644
--- a/eeg_modelling/edf/edf_util.h
+++ b/eeg_modelling/edf/edf_util.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/parse_edf_lib.cc b/eeg_modelling/edf/parse_edf_lib.cc
index 0968d563cf2..52faf0db82f 100644
--- a/eeg_modelling/edf/parse_edf_lib.cc
+++ b/eeg_modelling/edf/parse_edf_lib.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/parse_edf_lib.h b/eeg_modelling/edf/parse_edf_lib.h
index c94ea3605b1..a66fb6bd911 100644
--- a/eeg_modelling/edf/parse_edf_lib.h
+++ b/eeg_modelling/edf/parse_edf_lib.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/proto/annotation.proto b/eeg_modelling/edf/proto/annotation.proto
index 9abc1534062..ac8780459cf 100644
--- a/eeg_modelling/edf/proto/annotation.proto
+++ b/eeg_modelling/edf/proto/annotation.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/proto/edf.proto b/eeg_modelling/edf/proto/edf.proto
index 17236b937fc..c610119b02a 100644
--- a/eeg_modelling/edf/proto/edf.proto
+++ b/eeg_modelling/edf/proto/edf.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/proto/event.proto b/eeg_modelling/edf/proto/event.proto
index b750051beb7..9b84b0093f2 100644
--- a/eeg_modelling/edf/proto/event.proto
+++ b/eeg_modelling/edf/proto/event.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/proto/segment.proto b/eeg_modelling/edf/proto/segment.proto
index fa8ea191714..7b67a01f56f 100644
--- a/eeg_modelling/edf/proto/segment.proto
+++ b/eeg_modelling/edf/proto/segment.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/temple_edf_to_tf_example.cc b/eeg_modelling/edf/temple_edf_to_tf_example.cc
index 795812c9edd..5143295041f 100644
--- a/eeg_modelling/edf/temple_edf_to_tf_example.cc
+++ b/eeg_modelling/edf/temple_edf_to_tf_example.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/temple_util.cc b/eeg_modelling/edf/temple_util.cc
index 77965d25e8e..f6d839e5f56 100644
--- a/eeg_modelling/edf/temple_util.cc
+++ b/eeg_modelling/edf/temple_util.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/temple_util.h b/eeg_modelling/edf/temple_util.h
index cc4d9f079c2..df36a46ebd2 100644
--- a/eeg_modelling/edf/temple_util.h
+++ b/eeg_modelling/edf/temple_util.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/tf_example_lib.cc b/eeg_modelling/edf/tf_example_lib.cc
index fc5e6e20c4d..baafac5e29a 100644
--- a/eeg_modelling/edf/tf_example_lib.cc
+++ b/eeg_modelling/edf/tf_example_lib.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/edf/tf_example_lib.h b/eeg_modelling/edf/tf_example_lib.h
index 76c7c7a838f..4247a39cfc5 100644
--- a/eeg_modelling/edf/tf_example_lib.h
+++ b/eeg_modelling/edf/tf_example_lib.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/__init__.py b/eeg_modelling/eeg_viewer/__init__.py
index 122de214f6c..40821125b29 100644
--- a/eeg_modelling/eeg_viewer/__init__.py
+++ b/eeg_modelling/eeg_viewer/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/data_source.py b/eeg_modelling/eeg_viewer/data_source.py
index 0d2b3768a57..dbe257c7b25 100644
--- a/eeg_modelling/eeg_viewer/data_source.py
+++ b/eeg_modelling/eeg_viewer/data_source.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/jslib/app_loader.js b/eeg_modelling/eeg_viewer/jslib/app_loader.js
index a5ecf45ed8a..14aba85bd98 100644
--- a/eeg_modelling/eeg_viewer/jslib/app_loader.js
+++ b/eeg_modelling/eeg_viewer/jslib/app_loader.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/jslib/download_helper.js b/eeg_modelling/eeg_viewer/jslib/download_helper.js
index 75ca05c2c52..702413328c6 100644
--- a/eeg_modelling/eeg_viewer/jslib/download_helper.js
+++ b/eeg_modelling/eeg_viewer/jslib/download_helper.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/lookup.py b/eeg_modelling/eeg_viewer/lookup.py
index 95063164531..023e716d238 100644
--- a/eeg_modelling/eeg_viewer/lookup.py
+++ b/eeg_modelling/eeg_viewer/lookup.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/lookup_test.py b/eeg_modelling/eeg_viewer/lookup_test.py
index c1f86e9e5d0..4fe2d366977 100644
--- a/eeg_modelling/eeg_viewer/lookup_test.py
+++ b/eeg_modelling/eeg_viewer/lookup_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/prediction_data_service.py b/eeg_modelling/eeg_viewer/prediction_data_service.py
index b3c635b160a..78376f921f9 100644
--- a/eeg_modelling/eeg_viewer/prediction_data_service.py
+++ b/eeg_modelling/eeg_viewer/prediction_data_service.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/prediction_data_service_test.py b/eeg_modelling/eeg_viewer/prediction_data_service_test.py
index a8e5596b66f..33462a531fb 100644
--- a/eeg_modelling/eeg_viewer/prediction_data_service_test.py
+++ b/eeg_modelling/eeg_viewer/prediction_data_service_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/server.py b/eeg_modelling/eeg_viewer/server.py
index fc4f236c7a1..51911277794 100644
--- a/eeg_modelling/eeg_viewer/server.py
+++ b/eeg_modelling/eeg_viewer/server.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/server_test.py b/eeg_modelling/eeg_viewer/server_test.py
index 3176083bab9..a593803381d 100644
--- a/eeg_modelling/eeg_viewer/server_test.py
+++ b/eeg_modelling/eeg_viewer/server_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/signal_helper.py b/eeg_modelling/eeg_viewer/signal_helper.py
index 0b995f4a770..cf6ee99627a 100644
--- a/eeg_modelling/eeg_viewer/signal_helper.py
+++ b/eeg_modelling/eeg_viewer/signal_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/similarity.py b/eeg_modelling/eeg_viewer/similarity.py
index 05941c92da0..5232d4d8e99 100644
--- a/eeg_modelling/eeg_viewer/similarity.py
+++ b/eeg_modelling/eeg_viewer/similarity.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/similarity_test.py b/eeg_modelling/eeg_viewer/similarity_test.py
index bb5f2470efb..54d410f96f6 100644
--- a/eeg_modelling/eeg_viewer/similarity_test.py
+++ b/eeg_modelling/eeg_viewer/similarity_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/annotations.js b/eeg_modelling/eeg_viewer/static/js/annotations.js
index 226a0220546..4b5bc61caca 100644
--- a/eeg_modelling/eeg_viewer/static/js/annotations.js
+++ b/eeg_modelling/eeg_viewer/static/js/annotations.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/annotations_test.js b/eeg_modelling/eeg_viewer/static/js/annotations_test.js
index 4af7ebf2d51..12d045be014 100644
--- a/eeg_modelling/eeg_viewer/static/js/annotations_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/annotations_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/chart_base.js b/eeg_modelling/eeg_viewer/static/js/chart_base.js
index 6842f3833ba..8da74f44d1f 100644
--- a/eeg_modelling/eeg_viewer/static/js/chart_base.js
+++ b/eeg_modelling/eeg_viewer/static/js/chart_base.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/chart_base_test.js b/eeg_modelling/eeg_viewer/static/js/chart_base_test.js
index 6ba615fc59c..627aab84bb6 100644
--- a/eeg_modelling/eeg_viewer/static/js/chart_base_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/chart_base_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/chart_controller.js b/eeg_modelling/eeg_viewer/static/js/chart_controller.js
index f7f53522ed4..b76b7c0934a 100644
--- a/eeg_modelling/eeg_viewer/static/js/chart_controller.js
+++ b/eeg_modelling/eeg_viewer/static/js/chart_controller.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/dispatcher.js b/eeg_modelling/eeg_viewer/static/js/dispatcher.js
index ddcd324d881..d8605177022 100644
--- a/eeg_modelling/eeg_viewer/static/js/dispatcher.js
+++ b/eeg_modelling/eeg_viewer/static/js/dispatcher.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/dispatcher_test.js b/eeg_modelling/eeg_viewer/static/js/dispatcher_test.js
index ac2c5b03275..4fd19a0e7e0 100644
--- a/eeg_modelling/eeg_viewer/static/js/dispatcher_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/dispatcher_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/downloader.js b/eeg_modelling/eeg_viewer/static/js/downloader.js
index bbd02470d65..4d6f8390a09 100644
--- a/eeg_modelling/eeg_viewer/static/js/downloader.js
+++ b/eeg_modelling/eeg_viewer/static/js/downloader.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/downloader_test.js b/eeg_modelling/eeg_viewer/static/js/downloader_test.js
index acb70db2ae3..fad32467896 100644
--- a/eeg_modelling/eeg_viewer/static/js/downloader_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/downloader_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/error.js b/eeg_modelling/eeg_viewer/static/js/error.js
index ace9b23dec4..2c71a3be535 100644
--- a/eeg_modelling/eeg_viewer/static/js/error.js
+++ b/eeg_modelling/eeg_viewer/static/js/error.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/error_test.js b/eeg_modelling/eeg_viewer/static/js/error_test.js
index d515c074cd9..57653f0a155 100644
--- a/eeg_modelling/eeg_viewer/static/js/error_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/error_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/formatter.js b/eeg_modelling/eeg_viewer/static/js/formatter.js
index c7c32e7d920..b92905bd1e0 100644
--- a/eeg_modelling/eeg_viewer/static/js/formatter.js
+++ b/eeg_modelling/eeg_viewer/static/js/formatter.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/graph.js b/eeg_modelling/eeg_viewer/static/js/graph.js
index fcbfcadd200..3ed321de0d4 100644
--- a/eeg_modelling/eeg_viewer/static/js/graph.js
+++ b/eeg_modelling/eeg_viewer/static/js/graph.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/graph_test.js b/eeg_modelling/eeg_viewer/static/js/graph_test.js
index 69cbc249a62..c06e83b4847 100644
--- a/eeg_modelling/eeg_viewer/static/js/graph_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/graph_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/main.js b/eeg_modelling/eeg_viewer/static/js/main.js
index 9b27952edb1..73fba2bdc81 100644
--- a/eeg_modelling/eeg_viewer/static/js/main.js
+++ b/eeg_modelling/eeg_viewer/static/js/main.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/menus.js b/eeg_modelling/eeg_viewer/static/js/menus.js
index 4a65a5f17d6..246f806c26c 100644
--- a/eeg_modelling/eeg_viewer/static/js/menus.js
+++ b/eeg_modelling/eeg_viewer/static/js/menus.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/menus_test.js b/eeg_modelling/eeg_viewer/static/js/menus_test.js
index 13592c5b407..7ea55c7f5df 100644
--- a/eeg_modelling/eeg_viewer/static/js/menus_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/menus_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/montages.js b/eeg_modelling/eeg_viewer/static/js/montages.js
index 1b16dff0dd5..23e3baf89b7 100644
--- a/eeg_modelling/eeg_viewer/static/js/montages.js
+++ b/eeg_modelling/eeg_viewer/static/js/montages.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/nav_chart.js b/eeg_modelling/eeg_viewer/static/js/nav_chart.js
index b44405d840d..a87e81db73a 100644
--- a/eeg_modelling/eeg_viewer/static/js/nav_chart.js
+++ b/eeg_modelling/eeg_viewer/static/js/nav_chart.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/nav_chart_test.js b/eeg_modelling/eeg_viewer/static/js/nav_chart_test.js
index f55ed152225..3d0baca7955 100644
--- a/eeg_modelling/eeg_viewer/static/js/nav_chart_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/nav_chart_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/predictions.js b/eeg_modelling/eeg_viewer/static/js/predictions.js
index 3e75352311e..63c23f729d0 100644
--- a/eeg_modelling/eeg_viewer/static/js/predictions.js
+++ b/eeg_modelling/eeg_viewer/static/js/predictions.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/predictions_chart.js b/eeg_modelling/eeg_viewer/static/js/predictions_chart.js
index 490b39f20eb..55c7ade37d5 100644
--- a/eeg_modelling/eeg_viewer/static/js/predictions_chart.js
+++ b/eeg_modelling/eeg_viewer/static/js/predictions_chart.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/predictions_chart_test.js b/eeg_modelling/eeg_viewer/static/js/predictions_chart_test.js
index bfed73c3483..41de575810e 100644
--- a/eeg_modelling/eeg_viewer/static/js/predictions_chart_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/predictions_chart_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/predictions_test.js b/eeg_modelling/eeg_viewer/static/js/predictions_test.js
index 00ef1aea9c4..d4ff470e820 100644
--- a/eeg_modelling/eeg_viewer/static/js/predictions_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/predictions_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/requests.js b/eeg_modelling/eeg_viewer/static/js/requests.js
index def38c965e0..0320d336bc9 100644
--- a/eeg_modelling/eeg_viewer/static/js/requests.js
+++ b/eeg_modelling/eeg_viewer/static/js/requests.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/requests_test.js b/eeg_modelling/eeg_viewer/static/js/requests_test.js
index 973dda26110..9fb05b2d6a7 100644
--- a/eeg_modelling/eeg_viewer/static/js/requests_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/requests_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/store.js b/eeg_modelling/eeg_viewer/static/js/store.js
index b464d4388fd..8035fbe8639 100644
--- a/eeg_modelling/eeg_viewer/static/js/store.js
+++ b/eeg_modelling/eeg_viewer/static/js/store.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/store_test.js b/eeg_modelling/eeg_viewer/static/js/store_test.js
index 2e771410dda..1d9ce3678d4 100644
--- a/eeg_modelling/eeg_viewer/static/js/store_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/store_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/tool_bar.js b/eeg_modelling/eeg_viewer/static/js/tool_bar.js
index b87345afd87..41311dbed16 100644
--- a/eeg_modelling/eeg_viewer/static/js/tool_bar.js
+++ b/eeg_modelling/eeg_viewer/static/js/tool_bar.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/tool_bar_test.js b/eeg_modelling/eeg_viewer/static/js/tool_bar_test.js
index 03ccaa0b7c1..55a3a5e6ecb 100644
--- a/eeg_modelling/eeg_viewer/static/js/tool_bar_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/tool_bar_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/uploader.js b/eeg_modelling/eeg_viewer/static/js/uploader.js
index eafbc3a8b47..fc1f2b90e78 100644
--- a/eeg_modelling/eeg_viewer/static/js/uploader.js
+++ b/eeg_modelling/eeg_viewer/static/js/uploader.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/uploader_test.js b/eeg_modelling/eeg_viewer/static/js/uploader_test.js
index cf114069017..7ec020cb7d1 100644
--- a/eeg_modelling/eeg_viewer/static/js/uploader_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/uploader_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/utils.js b/eeg_modelling/eeg_viewer/static/js/utils.js
index 941dc503254..5b557edca7a 100644
--- a/eeg_modelling/eeg_viewer/static/js/utils.js
+++ b/eeg_modelling/eeg_viewer/static/js/utils.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/wave_event_form.js b/eeg_modelling/eeg_viewer/static/js/wave_event_form.js
index 9ec094a1c6c..cc7bd5a5e04 100644
--- a/eeg_modelling/eeg_viewer/static/js/wave_event_form.js
+++ b/eeg_modelling/eeg_viewer/static/js/wave_event_form.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/wave_events.js b/eeg_modelling/eeg_viewer/static/js/wave_events.js
index 1e13bd0a8de..164b7612dab 100644
--- a/eeg_modelling/eeg_viewer/static/js/wave_events.js
+++ b/eeg_modelling/eeg_viewer/static/js/wave_events.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/window_location.js b/eeg_modelling/eeg_viewer/static/js/window_location.js
index 9336e26d26e..f615b0a77df 100644
--- a/eeg_modelling/eeg_viewer/static/js/window_location.js
+++ b/eeg_modelling/eeg_viewer/static/js/window_location.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/js/window_location_test.js b/eeg_modelling/eeg_viewer/static/js/window_location_test.js
index b6315b5b2aa..9439ec1122d 100644
--- a/eeg_modelling/eeg_viewer/static/js/window_location_test.js
+++ b/eeg_modelling/eeg_viewer/static/js/window_location_test.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/static/styles/styles.css b/eeg_modelling/eeg_viewer/static/styles/styles.css
index 60afac89aaa..5aae15b1243 100644
--- a/eeg_modelling/eeg_viewer/static/styles/styles.css
+++ b/eeg_modelling/eeg_viewer/static/styles/styles.css
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 The Google Research Authors.
+ * Copyright 2020 The Google Research Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/templates/index.html b/eeg_modelling/eeg_viewer/templates/index.html
index 0f7e17224c6..21286917b9f 100644
--- a/eeg_modelling/eeg_viewer/templates/index.html
+++ b/eeg_modelling/eeg_viewer/templates/index.html
@@ -1,5 +1,5 @@
 <!--
-   Copyright 2019 The Google Research Authors.
+   Copyright 2020 The Google Research Authors.
   
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/templates/report.html b/eeg_modelling/eeg_viewer/templates/report.html
index 71ee1235160..4cabe0d425b 100644
--- a/eeg_modelling/eeg_viewer/templates/report.html
+++ b/eeg_modelling/eeg_viewer/templates/report.html
@@ -1,5 +1,5 @@
 <!--
-   Copyright 2019 The Google Research Authors.
+   Copyright 2020 The Google Research Authors.
   
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/utils.py b/eeg_modelling/eeg_viewer/utils.py
index d2beba07677..51ccb05fb44 100644
--- a/eeg_modelling/eeg_viewer/utils.py
+++ b/eeg_modelling/eeg_viewer/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/utils_test.py b/eeg_modelling/eeg_viewer/utils_test.py
index da0a885e6ca..bfb2bcdee32 100644
--- a/eeg_modelling/eeg_viewer/utils_test.py
+++ b/eeg_modelling/eeg_viewer/utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/waveform_data_service.py b/eeg_modelling/eeg_viewer/waveform_data_service.py
index 2be7c042517..abe5fbf30cb 100644
--- a/eeg_modelling/eeg_viewer/waveform_data_service.py
+++ b/eeg_modelling/eeg_viewer/waveform_data_service.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/eeg_viewer/waveform_data_service_test.py b/eeg_modelling/eeg_viewer/waveform_data_service_test.py
index ac989787474..fb4f2b3f420 100644
--- a/eeg_modelling/eeg_viewer/waveform_data_service_test.py
+++ b/eeg_modelling/eeg_viewer/waveform_data_service_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/protos/data.proto b/eeg_modelling/protos/data.proto
index 663f9f6aa0d..2f68e9a687d 100644
--- a/eeg_modelling/protos/data.proto
+++ b/eeg_modelling/protos/data.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/protos/event.proto b/eeg_modelling/protos/event.proto
index 277a89cb331..fcfcb25a6b0 100644
--- a/eeg_modelling/protos/event.proto
+++ b/eeg_modelling/protos/event.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/protos/prediction_output.proto b/eeg_modelling/protos/prediction_output.proto
index 67b2dc50806..665aed3f9a1 100644
--- a/eeg_modelling/protos/prediction_output.proto
+++ b/eeg_modelling/protos/prediction_output.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/protos/similarity.proto b/eeg_modelling/protos/similarity.proto
index 8b053301a53..917d5616703 100644
--- a/eeg_modelling/protos/similarity.proto
+++ b/eeg_modelling/protos/similarity.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/eeg_modelling/viewer.sh b/eeg_modelling/viewer.sh
index 8ccf8af0186..60bbb467767 100755
--- a/eeg_modelling/viewer.sh
+++ b/eeg_modelling/viewer.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/__init__.py b/eim/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/eim/__init__.py
+++ b/eim/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/concat_images.py b/eim/concat_images.py
index 5b765c12002..7a012f0154f 100644
--- a/eim/concat_images.py
+++ b/eim/concat_images.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/datasets.py b/eim/datasets.py
index 1d7ffacf2b9..22abb7bbc69 100644
--- a/eim/datasets.py
+++ b/eim/datasets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/get_image_summaries.py b/eim/get_image_summaries.py
index 330e24c5533..156081e00a2 100644
--- a/eim/get_image_summaries.py
+++ b/eim/get_image_summaries.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/mnist.py b/eim/mnist.py
index b918e7d5ea7..6694d83f667 100644
--- a/eim/mnist.py
+++ b/eim/mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/__init__.py b/eim/models/__init__.py
index 01d1037994f..8601d0a9e30 100644
--- a/eim/models/__init__.py
+++ b/eim/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/base.py b/eim/models/base.py
index e90126a47b1..a19b9eb07aa 100644
--- a/eim/models/base.py
+++ b/eim/models/base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/his.py b/eim/models/his.py
index 64084bf905c..0138a826ec3 100644
--- a/eim/models/his.py
+++ b/eim/models/his.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/lars.py b/eim/models/lars.py
index bb106c034b7..a8e62477d0a 100644
--- a/eim/models/lars.py
+++ b/eim/models/lars.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/nis.py b/eim/models/nis.py
index f25de8c13fb..b718e5f28fc 100644
--- a/eim/models/nis.py
+++ b/eim/models/nis.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/rejection_sampling.py b/eim/models/rejection_sampling.py
index f03feca89a4..3f77954f046 100644
--- a/eim/models/rejection_sampling.py
+++ b/eim/models/rejection_sampling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/models/vae.py b/eim/models/vae.py
index 0c9deffa396..021d51dc619 100644
--- a/eim/models/vae.py
+++ b/eim/models/vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/run.sh b/eim/run.sh
index 6d212b68e23..8a466528c6e 100755
--- a/eim/run.sh
+++ b/eim/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/small_problems.py b/eim/small_problems.py
index 2977d7733b8..1b3b413cda3 100644
--- a/eim/small_problems.py
+++ b/eim/small_problems.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/small_problems_density_plot.py b/eim/small_problems_density_plot.py
index 03f0ccc9de1..1e8fc6c8e30 100644
--- a/eim/small_problems_density_plot.py
+++ b/eim/small_problems_density_plot.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/eim/small_problems_dists.py b/eim/small_problems_dists.py
index 17c4ca040c9..bb40ebd190b 100644
--- a/eim/small_problems_dists.py
+++ b/eim/small_problems_dists.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/__init__.py b/enas_lm/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/enas_lm/__init__.py
+++ b/enas_lm/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/__init__.py b/enas_lm/src/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/enas_lm/src/__init__.py
+++ b/enas_lm/src/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/child.py b/enas_lm/src/child.py
index f3fdbbf7516..f4e6f96a2e9 100644
--- a/enas_lm/src/child.py
+++ b/enas_lm/src/child.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/controller.py b/enas_lm/src/controller.py
index 4529defaa95..c3bd24e97e8 100644
--- a/enas_lm/src/controller.py
+++ b/enas_lm/src/controller.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/data_utils.py b/enas_lm/src/data_utils.py
index 437323aa270..6b8ba0143b3 100644
--- a/enas_lm/src/data_utils.py
+++ b/enas_lm/src/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/fixed.py b/enas_lm/src/fixed.py
index 76d63e82a70..9218c61f80d 100644
--- a/enas_lm/src/fixed.py
+++ b/enas_lm/src/fixed.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/fixed_lib.py b/enas_lm/src/fixed_lib.py
index 03c58d26388..aad9071a417 100644
--- a/enas_lm/src/fixed_lib.py
+++ b/enas_lm/src/fixed_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/lstm.py b/enas_lm/src/lstm.py
index b645fb42faf..bd7469a15e0 100644
--- a/enas_lm/src/lstm.py
+++ b/enas_lm/src/lstm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/lstm_lib.py b/enas_lm/src/lstm_lib.py
index b5746ffa1f6..90435d3b651 100644
--- a/enas_lm/src/lstm_lib.py
+++ b/enas_lm/src/lstm_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/process.py b/enas_lm/src/process.py
index 970a75ce05f..1dacbcd5ff6 100644
--- a/enas_lm/src/process.py
+++ b/enas_lm/src/process.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/search.py b/enas_lm/src/search.py
index c6a7c31fba2..d6db94a903a 100644
--- a/enas_lm/src/search.py
+++ b/enas_lm/src/search.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/tpu/__init__.py b/enas_lm/src/tpu/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/enas_lm/src/tpu/__init__.py
+++ b/enas_lm/src/tpu/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/tpu/data_utils.py b/enas_lm/src/tpu/data_utils.py
index 48ac0aa3b6a..23292c48715 100644
--- a/enas_lm/src/tpu/data_utils.py
+++ b/enas_lm/src/tpu/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/tpu/fixed.py b/enas_lm/src/tpu/fixed.py
index 91a9f3c7956..c0a252f7275 100644
--- a/enas_lm/src/tpu/fixed.py
+++ b/enas_lm/src/tpu/fixed.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/tpu/fixed_lib.py b/enas_lm/src/tpu/fixed_lib.py
index e376051930a..a802ecfc0f0 100644
--- a/enas_lm/src/tpu/fixed_lib.py
+++ b/enas_lm/src/tpu/fixed_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/tpu/utils.py b/enas_lm/src/tpu/utils.py
index b735468e1ed..ea25672482f 100644
--- a/enas_lm/src/tpu/utils.py
+++ b/enas_lm/src/tpu/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/enas_lm/src/utils.py b/enas_lm/src/utils.py
index ce4f39d86ed..ee496efb3ec 100644
--- a/enas_lm/src/utils.py
+++ b/enas_lm/src/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/__init__.py b/evanet/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/evanet/__init__.py
+++ b/evanet/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/inception_cell_spec.proto b/evanet/inception_cell_spec.proto
index 1683258fbd4..c6898a7762e 100644
--- a/evanet/inception_cell_spec.proto
+++ b/evanet/inception_cell_spec.proto
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/evanet/inception_cell_spec_pb2.py b/evanet/inception_cell_spec_pb2.py
index ed5a18e502b..0608dd2061a 100644
--- a/evanet/inception_cell_spec_pb2.py
+++ b/evanet/inception_cell_spec_pb2.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/model_dna.py b/evanet/model_dna.py
index bbc648ce495..3d6c20e60f5 100644
--- a/evanet/model_dna.py
+++ b/evanet/model_dna.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/run.sh b/evanet/run.sh
index 6a5e6b6da50..0ec85342336 100755
--- a/evanet/run.sh
+++ b/evanet/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/run_evanet.py b/evanet/run_evanet.py
index e0b43202e11..fe676f2fd07 100644
--- a/evanet/run_evanet.py
+++ b/evanet/run_evanet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/evanet/tgm_layer.py b/evanet/tgm_layer.py
index 84458dbb1ad..e57bc51e1d9 100644
--- a/evanet/tgm_layer.py
+++ b/evanet/tgm_layer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/__init__.py b/explaining_risk_increase/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/explaining_risk_increase/__init__.py
+++ b/explaining_risk_increase/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/input_fn.py b/explaining_risk_increase/input_fn.py
index 0cb2f11e5ec..d5993bea24f 100644
--- a/explaining_risk_increase/input_fn.py
+++ b/explaining_risk_increase/input_fn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/input_fn_test.py b/explaining_risk_increase/input_fn_test.py
index c1a1856170d..c9fbb9fd478 100644
--- a/explaining_risk_increase/input_fn_test.py
+++ b/explaining_risk_increase/input_fn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/observation_sequence_model.py b/explaining_risk_increase/observation_sequence_model.py
index f406076d0ec..4365dcb4759 100644
--- a/explaining_risk_increase/observation_sequence_model.py
+++ b/explaining_risk_increase/observation_sequence_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/observation_sequence_model_test.py b/explaining_risk_increase/observation_sequence_model_test.py
index 383e26bdd70..b39b49915ca 100644
--- a/explaining_risk_increase/observation_sequence_model_test.py
+++ b/explaining_risk_increase/observation_sequence_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/explaining_risk_increase/run.sh b/explaining_risk_increase/run.sh
index dc5d372cf32..2d2ce1d21a0 100755
--- a/explaining_risk_increase/run.sh
+++ b/explaining_risk_increase/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/__init__.py b/extrapolation/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/extrapolation/__init__.py
+++ b/extrapolation/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/classifier/classifier.py b/extrapolation/classifier/classifier.py
index a5441b05b3e..9fc36d6311a 100644
--- a/extrapolation/classifier/classifier.py
+++ b/extrapolation/classifier/classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/classifier/classifier_test.py b/extrapolation/classifier/classifier_test.py
index 1bd1bfc0aab..5de385c7cc2 100644
--- a/extrapolation/classifier/classifier_test.py
+++ b/extrapolation/classifier/classifier_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/classifier/run_cnn_mnist_main.py b/extrapolation/classifier/run_cnn_mnist_main.py
index 680ad1fc743..285f6b23649 100644
--- a/extrapolation/classifier/run_cnn_mnist_main.py
+++ b/extrapolation/classifier/run_cnn_mnist_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/classifier/run_cnn_mnist_ood.py b/extrapolation/classifier/run_cnn_mnist_ood.py
index b5b2a690857..5a3aab180de 100644
--- a/extrapolation/classifier/run_cnn_mnist_ood.py
+++ b/extrapolation/classifier/run_cnn_mnist_ood.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/classifier/train_cnn.py b/extrapolation/classifier/train_cnn.py
index 68b65fc64c0..6e69cc22e67 100644
--- a/extrapolation/classifier/train_cnn.py
+++ b/extrapolation/classifier/train_cnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/calculate_influence.py b/extrapolation/influence/calculate_influence.py
index 7443526ccfc..bed8767a275 100644
--- a/extrapolation/influence/calculate_influence.py
+++ b/extrapolation/influence/calculate_influence.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/calculate_influence_main.py b/extrapolation/influence/calculate_influence_main.py
index 6f877e9824e..5642ace7f17 100644
--- a/extrapolation/influence/calculate_influence_main.py
+++ b/extrapolation/influence/calculate_influence_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/calculate_influence_ood.py b/extrapolation/influence/calculate_influence_ood.py
index 4b9988b8503..8841b1c051e 100644
--- a/extrapolation/influence/calculate_influence_ood.py
+++ b/extrapolation/influence/calculate_influence_ood.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/calculate_influence_ood_main.py b/extrapolation/influence/calculate_influence_ood_main.py
index 80aff5350bd..6529b30ad5b 100644
--- a/extrapolation/influence/calculate_influence_ood_main.py
+++ b/extrapolation/influence/calculate_influence_ood_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/eigenvalues.py b/extrapolation/influence/eigenvalues.py
index 57a814a1a80..a9a69080460 100644
--- a/extrapolation/influence/eigenvalues.py
+++ b/extrapolation/influence/eigenvalues.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/eigenvalues_test.py b/extrapolation/influence/eigenvalues_test.py
index 02e42ca8346..25705b95574 100644
--- a/extrapolation/influence/eigenvalues_test.py
+++ b/extrapolation/influence/eigenvalues_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/train_classifier.py b/extrapolation/influence/train_classifier.py
index 778de39db04..2b93e5dea39 100644
--- a/extrapolation/influence/train_classifier.py
+++ b/extrapolation/influence/train_classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/influence/train_classifier_ood.py b/extrapolation/influence/train_classifier_ood.py
index 184dc14d0a8..78e7642108d 100644
--- a/extrapolation/influence/train_classifier_ood.py
+++ b/extrapolation/influence/train_classifier_ood.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/run.sh b/extrapolation/run.sh
index 5b6712ea69b..b8924b2cf20 100755
--- a/extrapolation/run.sh
+++ b/extrapolation/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/__init__.py b/extrapolation/utils/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/extrapolation/utils/__init__.py
+++ b/extrapolation/utils/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/dataset_utils.py b/extrapolation/utils/dataset_utils.py
index a06faeef39d..a98838ebab1 100644
--- a/extrapolation/utils/dataset_utils.py
+++ b/extrapolation/utils/dataset_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/dataset_utils_test.py b/extrapolation/utils/dataset_utils_test.py
index 6f0f63da2bb..5e669aa0776 100644
--- a/extrapolation/utils/dataset_utils_test.py
+++ b/extrapolation/utils/dataset_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/running_average_loss.py b/extrapolation/utils/running_average_loss.py
index 863915ef1dc..bf4e1e561e3 100644
--- a/extrapolation/utils/running_average_loss.py
+++ b/extrapolation/utils/running_average_loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/running_average_loss_test.py b/extrapolation/utils/running_average_loss_test.py
index 831191be88b..565a893f66f 100644
--- a/extrapolation/utils/running_average_loss_test.py
+++ b/extrapolation/utils/running_average_loss_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/tensor_utils.py b/extrapolation/utils/tensor_utils.py
index 0147939949d..f934562c4b4 100644
--- a/extrapolation/utils/tensor_utils.py
+++ b/extrapolation/utils/tensor_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/utils/tensor_utils_test.py b/extrapolation/utils/tensor_utils_test.py
index cb7aaa8259e..1ff2d0c76f2 100644
--- a/extrapolation/utils/tensor_utils_test.py
+++ b/extrapolation/utils/tensor_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/extrapolation/utils/utils.py b/extrapolation/utils/utils.py
index a388d13b9c9..96953a98184 100644
--- a/extrapolation/utils/utils.py
+++ b/extrapolation/utils/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/vae/run_vae_mnist.py b/extrapolation/vae/run_vae_mnist.py
index 2c9dd956624..2ff877b78b6 100644
--- a/extrapolation/vae/run_vae_mnist.py
+++ b/extrapolation/vae/run_vae_mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/extrapolation/vae/run_vae_mnist_ood.py b/extrapolation/vae/run_vae_mnist_ood.py
index 494605eaea8..a83b9ed35e5 100644
--- a/extrapolation/vae/run_vae_mnist_ood.py
+++ b/extrapolation/vae/run_vae_mnist_ood.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/extrapolation/vae/run_vae_mnist_test.py b/extrapolation/vae/run_vae_mnist_test.py
index d26dc6da7b7..3348a64762a 100644
--- a/extrapolation/vae/run_vae_mnist_test.py
+++ b/extrapolation/vae/run_vae_mnist_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/extrapolation/vae/running_average_loss.py b/extrapolation/vae/running_average_loss.py
index 05f1da0ce39..b09eba811f7 100644
--- a/extrapolation/vae/running_average_loss.py
+++ b/extrapolation/vae/running_average_loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/extrapolation/vae/vae.py b/extrapolation/vae/vae.py
index cb5c35b8629..bd42a7ff600 100644
--- a/extrapolation/vae/vae.py
+++ b/extrapolation/vae/vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/entity_linking/__init__.py b/fat/entity_linking/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/fat/entity_linking/__init__.py
+++ b/fat/entity_linking/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/entity_linking/nq_sling_entity_linker.py b/fat/entity_linking/nq_sling_entity_linker.py
index 9e1535edabc..144272c2572 100644
--- a/fat/entity_linking/nq_sling_entity_linker.py
+++ b/fat/entity_linking/nq_sling_entity_linker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/fat_bert_nq/__init__.py b/fat/fat_bert_nq/__init__.py
index 122de214f6c..40821125b29 100644
--- a/fat/fat_bert_nq/__init__.py
+++ b/fat/fat_bert_nq/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/fat_bert_nq/nq_data_utils.py b/fat/fat_bert_nq/nq_data_utils.py
index a0e17038616..c330f4c1153 100644
--- a/fat/fat_bert_nq/nq_data_utils.py
+++ b/fat/fat_bert_nq/nq_data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/fat_bert_nq/nq_sharder.py b/fat/fat_bert_nq/nq_sharder.py
index 36a76ef49c2..db4c75c8ea7 100644
--- a/fat/fat_bert_nq/nq_sharder.py
+++ b/fat/fat_bert_nq/nq_sharder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/ppr/__init__.py b/fat/fat_bert_nq/ppr/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/fat/fat_bert_nq/ppr/__init__.py
+++ b/fat/fat_bert_nq/ppr/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/fat_bert_nq/ppr/apr_algo.py b/fat/fat_bert_nq/ppr/apr_algo.py
index 11c357e6089..8816b67a86f 100644
--- a/fat/fat_bert_nq/ppr/apr_algo.py
+++ b/fat/fat_bert_nq/ppr/apr_algo.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/ppr/apr_lib.py b/fat/fat_bert_nq/ppr/apr_lib.py
index 0fcb5e6f4ec..86fafa9c771 100644
--- a/fat/fat_bert_nq/ppr/apr_lib.py
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@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/fat_bert_nq/ppr/kb_csr_io.py b/fat/fat_bert_nq/ppr/kb_csr_io.py
index 515e9424855..b74ca3351ea 100644
--- a/fat/fat_bert_nq/ppr/kb_csr_io.py
+++ b/fat/fat_bert_nq/ppr/kb_csr_io.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/ppr/sample_apr.py b/fat/fat_bert_nq/ppr/sample_apr.py
index 78251ec0c3b..9cb53ecf1cf 100644
--- a/fat/fat_bert_nq/ppr/sample_apr.py
+++ b/fat/fat_bert_nq/ppr/sample_apr.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/ppr/sling_utils.py b/fat/fat_bert_nq/ppr/sling_utils.py
index 3d141e90b25..2341952c2cf 100644
--- a/fat/fat_bert_nq/ppr/sling_utils.py
+++ b/fat/fat_bert_nq/ppr/sling_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/prepare_nq_data.py b/fat/fat_bert_nq/prepare_nq_data.py
index 3891efbe663..8e6106dd6f8 100644
--- a/fat/fat_bert_nq/prepare_nq_data.py
+++ b/fat/fat_bert_nq/prepare_nq_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/run_nq.py b/fat/fat_bert_nq/run_nq.py
index 10887a73d38..ab669feab0b 100644
--- a/fat/fat_bert_nq/run_nq.py
+++ b/fat/fat_bert_nq/run_nq.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
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diff --git a/fat/fat_bert_nq/run_nq_test.py b/fat/fat_bert_nq/run_nq_test.py
index b940211d453..bfd2b90a62a 100644
--- a/fat/fat_bert_nq/run_nq_test.py
+++ b/fat/fat_bert_nq/run_nq_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/fat/run.sh b/fat/run.sh
index 79eac1c87ee..5b32b30a7c1 100755
--- a/fat/run.sh
+++ b/fat/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/__init__.py b/frechet_audio_distance/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/frechet_audio_distance/__init__.py
+++ b/frechet_audio_distance/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/audioset_model.py b/frechet_audio_distance/audioset_model.py
index 8161387d975..c8da5815778 100644
--- a/frechet_audio_distance/audioset_model.py
+++ b/frechet_audio_distance/audioset_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/compute_fad.py b/frechet_audio_distance/compute_fad.py
index 7d67ed76dd6..1060e81f308 100644
--- a/frechet_audio_distance/compute_fad.py
+++ b/frechet_audio_distance/compute_fad.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/create_embeddings_beam.py b/frechet_audio_distance/create_embeddings_beam.py
index 7af012823cf..94fb9c97f33 100644
--- a/frechet_audio_distance/create_embeddings_beam.py
+++ b/frechet_audio_distance/create_embeddings_beam.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/create_embeddings_main.py b/frechet_audio_distance/create_embeddings_main.py
index 5eabc5f62c3..c894a24486b 100644
--- a/frechet_audio_distance/create_embeddings_main.py
+++ b/frechet_audio_distance/create_embeddings_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/fad_utils.py b/frechet_audio_distance/fad_utils.py
index 3bc3713adb6..fdb47cb23f1 100644
--- a/frechet_audio_distance/fad_utils.py
+++ b/frechet_audio_distance/fad_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_audio_distance/gen_test_files.py b/frechet_audio_distance/gen_test_files.py
index f48558beaef..e32dfc5bef6 100644
--- a/frechet_audio_distance/gen_test_files.py
+++ b/frechet_audio_distance/gen_test_files.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_video_distance/__init__.py b/frechet_video_distance/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/frechet_video_distance/__init__.py
+++ b/frechet_video_distance/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_video_distance/example.py b/frechet_video_distance/example.py
index a8a1960ac45..b4a7ceed095 100644
--- a/frechet_video_distance/example.py
+++ b/frechet_video_distance/example.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/frechet_video_distance/frechet_video_distance.py b/frechet_video_distance/frechet_video_distance.py
index b40ff266d58..59342da7dae 100644
--- a/frechet_video_distance/frechet_video_distance.py
+++ b/frechet_video_distance/frechet_video_distance.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/datasets/load_adult.py b/generalized_rates/datasets/load_adult.py
index de230e0bade..d11ed18ddf5 100644
--- a/generalized_rates/datasets/load_adult.py
+++ b/generalized_rates/datasets/load_adult.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/datasets/load_compas.py b/generalized_rates/datasets/load_compas.py
index 086aee5ff63..af9e76030da 100644
--- a/generalized_rates/datasets/load_compas.py
+++ b/generalized_rates/datasets/load_compas.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/fmeasure_optimization/evaluation.py b/generalized_rates/fmeasure_optimization/evaluation.py
index 1a9fb1e3788..ca77ab036fd 100644
--- a/generalized_rates/fmeasure_optimization/evaluation.py
+++ b/generalized_rates/fmeasure_optimization/evaluation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/fmeasure_optimization/experiments.py b/generalized_rates/fmeasure_optimization/experiments.py
index daa7529a61c..cae92127d62 100644
--- a/generalized_rates/fmeasure_optimization/experiments.py
+++ b/generalized_rates/fmeasure_optimization/experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/fmeasure_optimization/methods.py b/generalized_rates/fmeasure_optimization/methods.py
index 356bd5cbae4..c8b13b5980e 100644
--- a/generalized_rates/fmeasure_optimization/methods.py
+++ b/generalized_rates/fmeasure_optimization/methods.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/kld_optimization/evaluation.py b/generalized_rates/kld_optimization/evaluation.py
index b94418b10a6..0d29ed82a62 100644
--- a/generalized_rates/kld_optimization/evaluation.py
+++ b/generalized_rates/kld_optimization/evaluation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/kld_optimization/experiments.py b/generalized_rates/kld_optimization/experiments.py
index 38b85a5aedc..ce3a2425fe6 100644
--- a/generalized_rates/kld_optimization/experiments.py
+++ b/generalized_rates/kld_optimization/experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/kld_optimization/methods.py b/generalized_rates/kld_optimization/methods.py
index 91bda87f21c..0e629a536c4 100644
--- a/generalized_rates/kld_optimization/methods.py
+++ b/generalized_rates/kld_optimization/methods.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/generalized_rates/run.sh b/generalized_rates/run.sh
index d7ccea40d97..df1235ec98c 100755
--- a/generalized_rates/run.sh
+++ b/generalized_rates/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/classifier.py b/genomics_ood/classifier.py
index b90134ed20a..ca06dcdc45e 100644
--- a/genomics_ood/classifier.py
+++ b/genomics_ood/classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/generative.py b/genomics_ood/generative.py
index accf8e2dd5c..c4b0833d35e 100644
--- a/genomics_ood/generative.py
+++ b/genomics_ood/generative.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/eval.py b/genomics_ood/images_ood/eval.py
index bdf789823be..2c087b4d312 100644
--- a/genomics_ood/images_ood/eval.py
+++ b/genomics_ood/images_ood/eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/notmnist_to_np.py b/genomics_ood/images_ood/notmnist_to_np.py
index 07c1ee2d1d4..f00cf4955f0 100644
--- a/genomics_ood/images_ood/notmnist_to_np.py
+++ b/genomics_ood/images_ood/notmnist_to_np.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/pixel_cnn.py b/genomics_ood/images_ood/pixel_cnn.py
index 0dec47dc28e..58329dd09b8 100644
--- a/genomics_ood/images_ood/pixel_cnn.py
+++ b/genomics_ood/images_ood/pixel_cnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/tfds_to_np.py b/genomics_ood/images_ood/tfds_to_np.py
index 348f4772dfa..0642151b359 100644
--- a/genomics_ood/images_ood/tfds_to_np.py
+++ b/genomics_ood/images_ood/tfds_to_np.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/train.py b/genomics_ood/images_ood/train.py
index 145aa02b964..acccde98508 100644
--- a/genomics_ood/images_ood/train.py
+++ b/genomics_ood/images_ood/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/images_ood/utils.py b/genomics_ood/images_ood/utils.py
index 9548c084603..08a86927590 100644
--- a/genomics_ood/images_ood/utils.py
+++ b/genomics_ood/images_ood/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/run.sh b/genomics_ood/run.sh
index 71d357de04a..205ced73e78 100755
--- a/genomics_ood/run.sh
+++ b/genomics_ood/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/genomics_ood/utils.py b/genomics_ood/utils.py
index e90f6b67379..9671b8e7f92 100644
--- a/genomics_ood/utils.py
+++ b/genomics_ood/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/__init__.py b/graph_compression/compression_lib/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/graph_compression/compression_lib/__init__.py
+++ b/graph_compression/compression_lib/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_op.py b/graph_compression/compression_lib/compression_op.py
index 8411e20c7c9..72ea52bb7e4 100644
--- a/graph_compression/compression_lib/compression_op.py
+++ b/graph_compression/compression_lib/compression_op.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_op_test.py b/graph_compression/compression_lib/compression_op_test.py
index 878b1cc78f5..ca53ad1a375 100644
--- a/graph_compression/compression_lib/compression_op_test.py
+++ b/graph_compression/compression_lib/compression_op_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_op_utils.py b/graph_compression/compression_lib/compression_op_utils.py
index 4afb325c224..ec35a38d4dd 100644
--- a/graph_compression/compression_lib/compression_op_utils.py
+++ b/graph_compression/compression_lib/compression_op_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_op_utils_test.py b/graph_compression/compression_lib/compression_op_utils_test.py
index 9e86ca3141e..eed830498df 100644
--- a/graph_compression/compression_lib/compression_op_utils_test.py
+++ b/graph_compression/compression_lib/compression_op_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_wrapper.py b/graph_compression/compression_lib/compression_wrapper.py
index d6e655b8120..3f340687a35 100644
--- a/graph_compression/compression_lib/compression_wrapper.py
+++ b/graph_compression/compression_lib/compression_wrapper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/compression_wrapper_test.py b/graph_compression/compression_lib/compression_wrapper_test.py
index 0c7059ddf6a..0d4caa5d993 100644
--- a/graph_compression/compression_lib/compression_wrapper_test.py
+++ b/graph_compression/compression_lib/compression_wrapper_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/decompose_matrix.py b/graph_compression/compression_lib/decompose_matrix.py
index 38af9044f73..0d7532000b2 100644
--- a/graph_compression/compression_lib/decompose_matrix.py
+++ b/graph_compression/compression_lib/decompose_matrix.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/examples/cifar10/cifar10_compression.py b/graph_compression/compression_lib/examples/cifar10/cifar10_compression.py
index 2a31329a95c..72b3be9256b 100644
--- a/graph_compression/compression_lib/examples/cifar10/cifar10_compression.py
+++ b/graph_compression/compression_lib/examples/cifar10/cifar10_compression.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/examples/cifar10/cifar10_eval.py b/graph_compression/compression_lib/examples/cifar10/cifar10_eval.py
index 5256dbd17ac..d4a5ddf91e7 100644
--- a/graph_compression/compression_lib/examples/cifar10/cifar10_eval.py
+++ b/graph_compression/compression_lib/examples/cifar10/cifar10_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/examples/cifar10/cifar10_input.py b/graph_compression/compression_lib/examples/cifar10/cifar10_input.py
index e2b161e1f8c..abc558e4c1e 100644
--- a/graph_compression/compression_lib/examples/cifar10/cifar10_input.py
+++ b/graph_compression/compression_lib/examples/cifar10/cifar10_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/examples/cifar10/cifar10_train.py b/graph_compression/compression_lib/examples/cifar10/cifar10_train.py
index 8ba9ea3e7f9..39895fa8bde 100644
--- a/graph_compression/compression_lib/examples/cifar10/cifar10_train.py
+++ b/graph_compression/compression_lib/examples/cifar10/cifar10_train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/simhash_compression_op.py b/graph_compression/compression_lib/simhash_compression_op.py
index 8714907709f..a32e38eaad4 100644
--- a/graph_compression/compression_lib/simhash_compression_op.py
+++ b/graph_compression/compression_lib/simhash_compression_op.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/compression_lib/simhash_compression_op_test.py b/graph_compression/compression_lib/simhash_compression_op_test.py
index ae1b5125a59..62143f38989 100644
--- a/graph_compression/compression_lib/simhash_compression_op_test.py
+++ b/graph_compression/compression_lib/simhash_compression_op_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_compression/run.sh b/graph_compression/run.sh
index b227f989a06..aa493464c92 100755
--- a/graph_compression/run.sh
+++ b/graph_compression/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/ddgk/__init__.py b/graph_embedding/ddgk/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/graph_embedding/ddgk/__init__.py
+++ b/graph_embedding/ddgk/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/ddgk/main.py b/graph_embedding/ddgk/main.py
index 7aca4edcbd9..ec84cf5b739 100644
--- a/graph_embedding/ddgk/main.py
+++ b/graph_embedding/ddgk/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/ddgk/model.py b/graph_embedding/ddgk/model.py
index bee2bc8884c..2f3567bece4 100644
--- a/graph_embedding/ddgk/model.py
+++ b/graph_embedding/ddgk/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/persona/__init__.py b/graph_embedding/persona/__init__.py
index 122de214f6c..40821125b29 100644
--- a/graph_embedding/persona/__init__.py
+++ b/graph_embedding/persona/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/persona/persona.py b/graph_embedding/persona/persona.py
index d6b5b3fe28b..c80f823d9d6 100644
--- a/graph_embedding/persona/persona.py
+++ b/graph_embedding/persona/persona.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/persona/splitter.py b/graph_embedding/persona/splitter.py
index 0c924aac988..f8aecacf3aa 100644
--- a/graph_embedding/persona/splitter.py
+++ b/graph_embedding/persona/splitter.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/persona/third_party/persona2vec.py b/graph_embedding/persona/third_party/persona2vec.py
index f43dbaecc42..7a1766c57a0 100644
--- a/graph_embedding/persona/third_party/persona2vec.py
+++ b/graph_embedding/persona/third_party/persona2vec.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/watch_your_step/graph_attention_learning.py b/graph_embedding/watch_your_step/graph_attention_learning.py
index 1d3dde60c1d..a19915fc0c7 100644
--- a/graph_embedding/watch_your_step/graph_attention_learning.py
+++ b/graph_embedding/watch_your_step/graph_attention_learning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/graph_embedding/watch_your_step/run.sh b/graph_embedding/watch_your_step/run.sh
index fac4ad012b9..b31e8d63b2a 100755
--- a/graph_embedding/watch_your_step/run.sh
+++ b/graph_embedding/watch_your_step/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/__init__.py b/hierarchical_foresight/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/hierarchical_foresight/__init__.py
+++ b/hierarchical_foresight/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/env/__init__.py b/hierarchical_foresight/env/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/hierarchical_foresight/env/__init__.py
+++ b/hierarchical_foresight/env/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/env/environment.py b/hierarchical_foresight/env/environment.py
index e544d7f30d3..3140f6e4cd4 100644
--- a/hierarchical_foresight/env/environment.py
+++ b/hierarchical_foresight/env/environment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/env/simple_maze.py b/hierarchical_foresight/env/simple_maze.py
index 65089cdbdda..1eebffdf4cb 100644
--- a/hierarchical_foresight/env/simple_maze.py
+++ b/hierarchical_foresight/env/simple_maze.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/env/subgoal_env.py b/hierarchical_foresight/env/subgoal_env.py
index 95bb404b518..468e15bf1de 100644
--- a/hierarchical_foresight/env/subgoal_env.py
+++ b/hierarchical_foresight/env/subgoal_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/generate_data.py b/hierarchical_foresight/generate_data.py
index 9560b2785fb..cd7bfceed01 100644
--- a/hierarchical_foresight/generate_data.py
+++ b/hierarchical_foresight/generate_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/meta_cem.py b/hierarchical_foresight/meta_cem.py
index d6eecba370b..9a06ba3be3c 100644
--- a/hierarchical_foresight/meta_cem.py
+++ b/hierarchical_foresight/meta_cem.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/models/__init__.py b/hierarchical_foresight/models/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/hierarchical_foresight/models/__init__.py
+++ b/hierarchical_foresight/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/models/tap.py b/hierarchical_foresight/models/tap.py
index bcd2483558f..7c4abd582c7 100644
--- a/hierarchical_foresight/models/tap.py
+++ b/hierarchical_foresight/models/tap.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/models/tdm.py b/hierarchical_foresight/models/tdm.py
index dd295d40184..b7e4099b1b6 100644
--- a/hierarchical_foresight/models/tdm.py
+++ b/hierarchical_foresight/models/tdm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/models/vae.py b/hierarchical_foresight/models/vae.py
index 4a5d9120e6b..762283a9cd7 100644
--- a/hierarchical_foresight/models/vae.py
+++ b/hierarchical_foresight/models/vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/train_tap.py b/hierarchical_foresight/train_tap.py
index 34e7c3bee29..54b328c625e 100644
--- a/hierarchical_foresight/train_tap.py
+++ b/hierarchical_foresight/train_tap.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/train_tdm.py b/hierarchical_foresight/train_tdm.py
index e0f68229881..fdfca29ad44 100644
--- a/hierarchical_foresight/train_tdm.py
+++ b/hierarchical_foresight/train_tdm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/train_vae.py b/hierarchical_foresight/train_vae.py
index 00249ca76b5..b8e4eb0ec8f 100644
--- a/hierarchical_foresight/train_vae.py
+++ b/hierarchical_foresight/train_vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hierarchical_foresight/utils.py b/hierarchical_foresight/utils.py
index 41a672f89f8..7079ff222ab 100644
--- a/hierarchical_foresight/utils.py
+++ b/hierarchical_foresight/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/hybrid_zero_dynamics/py/minitaur_virtual_constraints_legspace_example.py b/hybrid_zero_dynamics/py/minitaur_virtual_constraints_legspace_example.py
index 32f2f345bdf..af13bbf594c 100644
--- a/hybrid_zero_dynamics/py/minitaur_virtual_constraints_legspace_example.py
+++ b/hybrid_zero_dynamics/py/minitaur_virtual_constraints_legspace_example.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/__init__.py b/igt_optimizer/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/igt_optimizer/__init__.py
+++ b/igt_optimizer/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/__init__.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/__init__.py
index ce8ff3e13a3..9837e912d7d 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/__init__.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_hparams_flags.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_hparams_flags.py
index 27168b9743d..041123396d5 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_hparams_flags.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_hparams_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_tpu_flags.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_tpu_flags.py
index d2b35720215..0ac51906661 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_tpu_flags.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/common_tpu_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/flags_to_params.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/flags_to_params.py
index cfe08dc0f7d..8cad779aaaf 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/flags_to_params.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/flags_to_params.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/hyperparameters.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/hyperparameters.py
index 76d275812d8..20230b40576 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/hyperparameters.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/hyperparameters.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/hyperparameters/params_dict.py b/igt_optimizer/cloud_tpu_resnet/hyperparameters/params_dict.py
index e5a440d6432..bff658f2481 100644
--- a/igt_optimizer/cloud_tpu_resnet/hyperparameters/params_dict.py
+++ b/igt_optimizer/cloud_tpu_resnet/hyperparameters/params_dict.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/__init__.py b/igt_optimizer/cloud_tpu_resnet/resnet/__init__.py
index 122de214f6c..40821125b29 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/__init__.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/imagenet_input.py b/igt_optimizer/cloud_tpu_resnet/resnet/imagenet_input.py
index fa09cf14fae..65c01e60449 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/imagenet_input.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/imagenet_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/lars_util.py b/igt_optimizer/cloud_tpu_resnet/resnet/lars_util.py
index da36d54e9b2..0e4db10e1b0 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/lars_util.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/lars_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_main.py b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_main.py
index 47d038a51d4..529ac99cf71 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_main.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model.py b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model.py
index 3b3aabd49bd..62c3aa13e2d 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model_test.py b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model_test.py
index 4d8b89a3e47..be81c4f83c0 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model_test.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_preprocessing.py b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_preprocessing.py
index c9d670c5698..483aca16cac 100644
--- a/igt_optimizer/cloud_tpu_resnet/resnet/resnet_preprocessing.py
+++ b/igt_optimizer/cloud_tpu_resnet/resnet/resnet_preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/dump_metrics_to_csv.py b/igt_optimizer/dump_metrics_to_csv.py
index bbec7c5bf62..c7e8f8423d5 100644
--- a/igt_optimizer/dump_metrics_to_csv.py
+++ b/igt_optimizer/dump_metrics_to_csv.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/exp_igt_optimizer.py b/igt_optimizer/exp_igt_optimizer.py
index c8afe45cba9..19b16c3448b 100644
--- a/igt_optimizer/exp_igt_optimizer.py
+++ b/igt_optimizer/exp_igt_optimizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/exp_igt_optimizer_test.py b/igt_optimizer/exp_igt_optimizer_test.py
index 8447f2dd486..73c7ae50290 100644
--- a/igt_optimizer/exp_igt_optimizer_test.py
+++ b/igt_optimizer/exp_igt_optimizer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/igt_optimizer/run.sh b/igt_optimizer/run.sh
index 1bbd0036be3..8fd88731c5f 100755
--- a/igt_optimizer/run.sh
+++ b/igt_optimizer/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/__init__.py b/interpretability_benchmark/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/interpretability_benchmark/__init__.py
+++ b/interpretability_benchmark/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/data_input.py b/interpretability_benchmark/data_input.py
index 85016b6651b..29ca3c76c32 100644
--- a/interpretability_benchmark/data_input.py
+++ b/interpretability_benchmark/data_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/run.sh b/interpretability_benchmark/run.sh
index f285c8b9d28..116be22bb1b 100755
--- a/interpretability_benchmark/run.sh
+++ b/interpretability_benchmark/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/saliency_data_gen/data_helper.py b/interpretability_benchmark/saliency_data_gen/data_helper.py
index ed7abf45560..87fe581f33e 100644
--- a/interpretability_benchmark/saliency_data_gen/data_helper.py
+++ b/interpretability_benchmark/saliency_data_gen/data_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/saliency_data_gen/dataset_generator.py b/interpretability_benchmark/saliency_data_gen/dataset_generator.py
index 75c832075fa..c977f6e9d9c 100644
--- a/interpretability_benchmark/saliency_data_gen/dataset_generator.py
+++ b/interpretability_benchmark/saliency_data_gen/dataset_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/saliency_data_gen/saliency_helper.py b/interpretability_benchmark/saliency_data_gen/saliency_helper.py
index fd64cdc348b..59fd516b4c2 100644
--- a/interpretability_benchmark/saliency_data_gen/saliency_helper.py
+++ b/interpretability_benchmark/saliency_data_gen/saliency_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/train_resnet.py b/interpretability_benchmark/train_resnet.py
index 1b126e79047..19650690840 100644
--- a/interpretability_benchmark/train_resnet.py
+++ b/interpretability_benchmark/train_resnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/train_resnet_test.py b/interpretability_benchmark/train_resnet_test.py
index b094879e706..b16f59be069 100644
--- a/interpretability_benchmark/train_resnet_test.py
+++ b/interpretability_benchmark/train_resnet_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/utils/preprocessing_helper.py b/interpretability_benchmark/utils/preprocessing_helper.py
index 6d1b97ba9a0..3034a0ecea6 100644
--- a/interpretability_benchmark/utils/preprocessing_helper.py
+++ b/interpretability_benchmark/utils/preprocessing_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/interpretability_benchmark/utils/resnet_model.py b/interpretability_benchmark/utils/resnet_model.py
index d8338bd9d5a..5062d22b5ad 100644
--- a/interpretability_benchmark/utils/resnet_model.py
+++ b/interpretability_benchmark/utils/resnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/investigating_m4/create_plots.py b/investigating_m4/create_plots.py
index 9c9b264e470..9cdbd654b21 100644
--- a/investigating_m4/create_plots.py
+++ b/investigating_m4/create_plots.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/__init__.py b/kws_streaming/__init__.py
index f2760251112..ea305bbdbb9 100644
--- a/kws_streaming/__init__.py
+++ b/kws_streaming/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/data/__init__.py b/kws_streaming/data/__init__.py
index ff5c333351a..5182b410ca4 100644
--- a/kws_streaming/data/__init__.py
+++ b/kws_streaming/data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/data/input_data.py b/kws_streaming/data/input_data.py
index 5abf032e36d..cefdc0c055c 100644
--- a/kws_streaming/data/input_data.py
+++ b/kws_streaming/data/input_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/data/input_data_test.py b/kws_streaming/data/input_data_test.py
index 201edc41df6..86682c63250 100644
--- a/kws_streaming/data/input_data_test.py
+++ b/kws_streaming/data/input_data_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/__init__.py b/kws_streaming/layers/__init__.py
index 54c3a663403..dd194c55fa1 100644
--- a/kws_streaming/layers/__init__.py
+++ b/kws_streaming/layers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/compat.py b/kws_streaming/layers/compat.py
index 79d8d44232b..6a87462dc58 100644
--- a/kws_streaming/layers/compat.py
+++ b/kws_streaming/layers/compat.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/contrib_conv2d.py b/kws_streaming/layers/contrib_conv2d.py
index f730f0cec8e..5420a102afd 100644
--- a/kws_streaming/layers/contrib_conv2d.py
+++ b/kws_streaming/layers/contrib_conv2d.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/contrib_conv2d_test.py b/kws_streaming/layers/contrib_conv2d_test.py
index b200ae7f92d..9d0af166344 100644
--- a/kws_streaming/layers/contrib_conv2d_test.py
+++ b/kws_streaming/layers/contrib_conv2d_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/conv2d_test.py b/kws_streaming/layers/conv2d_test.py
index 9b8a8f08237..d199adb054f 100644
--- a/kws_streaming/layers/conv2d_test.py
+++ b/kws_streaming/layers/conv2d_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/dataframe.py b/kws_streaming/layers/dataframe.py
index 770c4b84965..66ee8e705c6 100644
--- a/kws_streaming/layers/dataframe.py
+++ b/kws_streaming/layers/dataframe.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/dataframe_test.py b/kws_streaming/layers/dataframe_test.py
index 3865c800b82..f69da2937b7 100644
--- a/kws_streaming/layers/dataframe_test.py
+++ b/kws_streaming/layers/dataframe_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/dct.py b/kws_streaming/layers/dct.py
index ddc7c012510..b6b09a48ae0 100644
--- a/kws_streaming/layers/dct.py
+++ b/kws_streaming/layers/dct.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/dct_test.py b/kws_streaming/layers/dct_test.py
index 0ac43dae172..b052047bfd0 100644
--- a/kws_streaming/layers/dct_test.py
+++ b/kws_streaming/layers/dct_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/dense_test.py b/kws_streaming/layers/dense_test.py
index b2819026dae..62b678a603b 100644
--- a/kws_streaming/layers/dense_test.py
+++ b/kws_streaming/layers/dense_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/depthwiseconv1d.py b/kws_streaming/layers/depthwiseconv1d.py
index b334e4c3065..9dd08a6eeec 100644
--- a/kws_streaming/layers/depthwiseconv1d.py
+++ b/kws_streaming/layers/depthwiseconv1d.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/depthwiseconv1d_test.py b/kws_streaming/layers/depthwiseconv1d_test.py
index 22da13a5348..0b326964b00 100644
--- a/kws_streaming/layers/depthwiseconv1d_test.py
+++ b/kws_streaming/layers/depthwiseconv1d_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/flatten_test.py b/kws_streaming/layers/flatten_test.py
index d48a3c07bbd..ddf4e657d7b 100644
--- a/kws_streaming/layers/flatten_test.py
+++ b/kws_streaming/layers/flatten_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/gru.py b/kws_streaming/layers/gru.py
index fa21ddf958b..335da064202 100644
--- a/kws_streaming/layers/gru.py
+++ b/kws_streaming/layers/gru.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/gru_test.py b/kws_streaming/layers/gru_test.py
index bcea6cc9bfc..f3f2f4bd313 100644
--- a/kws_streaming/layers/gru_test.py
+++ b/kws_streaming/layers/gru_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/lstm.py b/kws_streaming/layers/lstm.py
index 1a9a6849e2a..369be7f21f5 100644
--- a/kws_streaming/layers/lstm.py
+++ b/kws_streaming/layers/lstm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/lstm_test.py b/kws_streaming/layers/lstm_test.py
index 0b43cfd0856..a2d8d6ca633 100644
--- a/kws_streaming/layers/lstm_test.py
+++ b/kws_streaming/layers/lstm_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/magnitude_rdft.py b/kws_streaming/layers/magnitude_rdft.py
index 192ece1ab73..0c988b93806 100644
--- a/kws_streaming/layers/magnitude_rdft.py
+++ b/kws_streaming/layers/magnitude_rdft.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/magnitude_rdft_mel.py b/kws_streaming/layers/magnitude_rdft_mel.py
index 5179e598cd5..284631e32ef 100644
--- a/kws_streaming/layers/magnitude_rdft_mel.py
+++ b/kws_streaming/layers/magnitude_rdft_mel.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/magnitude_rdft_mel_test.py b/kws_streaming/layers/magnitude_rdft_mel_test.py
index dbab446a305..8e45f37121a 100644
--- a/kws_streaming/layers/magnitude_rdft_mel_test.py
+++ b/kws_streaming/layers/magnitude_rdft_mel_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/magnitude_rdft_test.py b/kws_streaming/layers/magnitude_rdft_test.py
index a20aa040f7b..732e20b00e7 100644
--- a/kws_streaming/layers/magnitude_rdft_test.py
+++ b/kws_streaming/layers/magnitude_rdft_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/mel_spectrogram.py b/kws_streaming/layers/mel_spectrogram.py
index c903ae3886b..32539d4b6fe 100644
--- a/kws_streaming/layers/mel_spectrogram.py
+++ b/kws_streaming/layers/mel_spectrogram.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/mel_spectrogram_test.py b/kws_streaming/layers/mel_spectrogram_test.py
index 1d820858e68..269a39fd7be 100644
--- a/kws_streaming/layers/mel_spectrogram_test.py
+++ b/kws_streaming/layers/mel_spectrogram_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/mel_table.py b/kws_streaming/layers/mel_table.py
index e72bd5c3149..5f2dbe92bd8 100644
--- a/kws_streaming/layers/mel_table.py
+++ b/kws_streaming/layers/mel_table.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/mel_table_test.py b/kws_streaming/layers/mel_table_test.py
index 4f866d39562..a202cc7b290 100644
--- a/kws_streaming/layers/mel_table_test.py
+++ b/kws_streaming/layers/mel_table_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/modes.py b/kws_streaming/layers/modes.py
index 8a89dc37b5f..a6a426148d3 100644
--- a/kws_streaming/layers/modes.py
+++ b/kws_streaming/layers/modes.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/non_scaling_dropout.py b/kws_streaming/layers/non_scaling_dropout.py
index d5e7d234a16..afa0846849d 100644
--- a/kws_streaming/layers/non_scaling_dropout.py
+++ b/kws_streaming/layers/non_scaling_dropout.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/non_scaling_dropout_test.py b/kws_streaming/layers/non_scaling_dropout_test.py
index 3a3cab304cc..92bc6c451e5 100644
--- a/kws_streaming/layers/non_scaling_dropout_test.py
+++ b/kws_streaming/layers/non_scaling_dropout_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/normalizer.py b/kws_streaming/layers/normalizer.py
index 0df2a13dab3..5a8784977a4 100644
--- a/kws_streaming/layers/normalizer.py
+++ b/kws_streaming/layers/normalizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/preemphasis.py b/kws_streaming/layers/preemphasis.py
index 78133121fbc..08faa556eba 100644
--- a/kws_streaming/layers/preemphasis.py
+++ b/kws_streaming/layers/preemphasis.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/preemphasis_test.py b/kws_streaming/layers/preemphasis_test.py
index 0f81d387c62..cd2a34a3e10 100644
--- a/kws_streaming/layers/preemphasis_test.py
+++ b/kws_streaming/layers/preemphasis_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/speech_features.py b/kws_streaming/layers/speech_features.py
index 7c5ca4eb764..d6274eda3ad 100644
--- a/kws_streaming/layers/speech_features.py
+++ b/kws_streaming/layers/speech_features.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/speech_features_test.py b/kws_streaming/layers/speech_features_test.py
index 2eb33a97b11..8246524bb8b 100644
--- a/kws_streaming/layers/speech_features_test.py
+++ b/kws_streaming/layers/speech_features_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/stream.py b/kws_streaming/layers/stream.py
index 6c190689532..6ed1572a25e 100644
--- a/kws_streaming/layers/stream.py
+++ b/kws_streaming/layers/stream.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/svdf.py b/kws_streaming/layers/svdf.py
index 47e92c0ccfd..dd7223f8134 100644
--- a/kws_streaming/layers/svdf.py
+++ b/kws_streaming/layers/svdf.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/svdf_test.py b/kws_streaming/layers/svdf_test.py
index 1f66a2f3796..851eb8a39ba 100644
--- a/kws_streaming/layers/svdf_test.py
+++ b/kws_streaming/layers/svdf_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/test_utils.py b/kws_streaming/layers/test_utils.py
index 24850512f07..110f5506d02 100644
--- a/kws_streaming/layers/test_utils.py
+++ b/kws_streaming/layers/test_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/layers/windowing.py b/kws_streaming/layers/windowing.py
index 7d65d9ea001..379cadb4583 100644
--- a/kws_streaming/layers/windowing.py
+++ b/kws_streaming/layers/windowing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/__init__.py b/kws_streaming/models/__init__.py
index a8e60a79a66..d9da8c40313 100644
--- a/kws_streaming/models/__init__.py
+++ b/kws_streaming/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/att_rnn.py b/kws_streaming/models/att_rnn.py
index 860f687c89c..3f93dc8686a 100644
--- a/kws_streaming/models/att_rnn.py
+++ b/kws_streaming/models/att_rnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/cnn.py b/kws_streaming/models/cnn.py
index 4a0f0b5c7a5..decec723aee 100644
--- a/kws_streaming/models/cnn.py
+++ b/kws_streaming/models/cnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/crnn.py b/kws_streaming/models/crnn.py
index f24377bc412..28305dda2c6 100644
--- a/kws_streaming/models/crnn.py
+++ b/kws_streaming/models/crnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/dnn.py b/kws_streaming/models/dnn.py
index f3f997146d4..9e32faf69a3 100644
--- a/kws_streaming/models/dnn.py
+++ b/kws_streaming/models/dnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/dnn_raw.py b/kws_streaming/models/dnn_raw.py
index ad36a34aac5..4ed8cd81938 100644
--- a/kws_streaming/models/dnn_raw.py
+++ b/kws_streaming/models/dnn_raw.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/ds_cnn.py b/kws_streaming/models/ds_cnn.py
index 72a00dc215b..5ec5b621724 100644
--- a/kws_streaming/models/ds_cnn.py
+++ b/kws_streaming/models/ds_cnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/gru.py b/kws_streaming/models/gru.py
index 763381d2a89..29b335e4ada 100644
--- a/kws_streaming/models/gru.py
+++ b/kws_streaming/models/gru.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/lstm.py b/kws_streaming/models/lstm.py
index 09a732292d3..1cc910205ca 100644
--- a/kws_streaming/models/lstm.py
+++ b/kws_streaming/models/lstm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/models.py b/kws_streaming/models/models.py
index 04c5476988b..b5bf53d8fd8 100644
--- a/kws_streaming/models/models.py
+++ b/kws_streaming/models/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/svdf.py b/kws_streaming/models/svdf.py
index 8cbb147d92d..9a2b14acc3c 100644
--- a/kws_streaming/models/svdf.py
+++ b/kws_streaming/models/svdf.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/utils.py b/kws_streaming/models/utils.py
index 3e3f0a4be47..5e9377af8ba 100644
--- a/kws_streaming/models/utils.py
+++ b/kws_streaming/models/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/models/utils_test.py b/kws_streaming/models/utils_test.py
index 4f80bf4ea15..2efe65da853 100644
--- a/kws_streaming/models/utils_test.py
+++ b/kws_streaming/models/utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/__init__.py b/kws_streaming/train/__init__.py
index 04dd09b8ee0..0be90ee8763 100644
--- a/kws_streaming/train/__init__.py
+++ b/kws_streaming/train/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/model_flags.py b/kws_streaming/train/model_flags.py
index cb7634a4911..e082c80e2f0 100644
--- a/kws_streaming/train/model_flags.py
+++ b/kws_streaming/train/model_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/model_train_eval.py b/kws_streaming/train/model_train_eval.py
index f3a7e5870dd..8987f9a81dd 100644
--- a/kws_streaming/train/model_train_eval.py
+++ b/kws_streaming/train/model_train_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/test.py b/kws_streaming/train/test.py
index 535b5504634..7135d4b0757 100644
--- a/kws_streaming/train/test.py
+++ b/kws_streaming/train/test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/train.py b/kws_streaming/train/train.py
index 6aedd26a2a7..730b9afe17b 100644
--- a/kws_streaming/train/train.py
+++ b/kws_streaming/train/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/kws_streaming/train/train_test.py b/kws_streaming/train/train_test.py
index 7e575257832..8d8aa2ce482 100644
--- a/kws_streaming/train/train_test.py
+++ b/kws_streaming/train/train_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/all_experiments.sh b/l2tl/all_experiments.sh
index 75f1a61b5ff..bcb651436bf 100644
--- a/l2tl/all_experiments.sh
+++ b/l2tl/all_experiments.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/evaluate.py b/l2tl/evaluate.py
index cfc42c13308..b5e75b02584 100644
--- a/l2tl/evaluate.py
+++ b/l2tl/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/finetuning.py b/l2tl/finetuning.py
index 631783267a0..907b22af3b6 100644
--- a/l2tl/finetuning.py
+++ b/l2tl/finetuning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/model.py b/l2tl/model.py
index ca17711ea15..48ce3dde4c7 100644
--- a/l2tl/model.py
+++ b/l2tl/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/model_utils.py b/l2tl/model_utils.py
index 013274bf8c6..de480bb9a17 100644
--- a/l2tl/model_utils.py
+++ b/l2tl/model_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/run.sh b/l2tl/run.sh
index 58901e067f3..73e646e19c0 100644
--- a/l2tl/run.sh
+++ b/l2tl/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/svhn_data/gen_svhn_mat.py b/l2tl/svhn_data/gen_svhn_mat.py
index 7c776b5a6cb..61c98fd1b1a 100644
--- a/l2tl/svhn_data/gen_svhn_mat.py
+++ b/l2tl/svhn_data/gen_svhn_mat.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/svhn_data/svhn_small.py b/l2tl/svhn_data/svhn_small.py
index 4b96e627599..9260878920a 100644
--- a/l2tl/svhn_data/svhn_small.py
+++ b/l2tl/svhn_data/svhn_small.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/l2tl/train_l2tl.py b/l2tl/train_l2tl.py
index 5b53e2d07fd..2fbe91d8ccb 100644
--- a/l2tl/train_l2tl.py
+++ b/l2tl/train_l2tl.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/__init__.py b/large_margin/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/large_margin/__init__.py
+++ b/large_margin/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/eval.py b/large_margin/eval.py
index 0f18a361f38..31ea0c4cf37 100644
--- a/large_margin/eval.py
+++ b/large_margin/eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/margin_loss.py b/large_margin/margin_loss.py
index b734d0be626..6390264f189 100644
--- a/large_margin/margin_loss.py
+++ b/large_margin/margin_loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/margin_loss_test.py b/large_margin/margin_loss_test.py
index 1a466bb9a91..802cb4a7f2c 100644
--- a/large_margin/margin_loss_test.py
+++ b/large_margin/margin_loss_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/mnist/data_provider.py b/large_margin/mnist/data_provider.py
index cd9b13abaee..a880f43540f 100644
--- a/large_margin/mnist/data_provider.py
+++ b/large_margin/mnist/data_provider.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/mnist/data_provider_test.py b/large_margin/mnist/data_provider_test.py
index 2e620fcd4e1..e2d920e1d67 100644
--- a/large_margin/mnist/data_provider_test.py
+++ b/large_margin/mnist/data_provider_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/mnist/mnist_config.py b/large_margin/mnist/mnist_config.py
index 4bdc8063332..9d6cd28bf71 100644
--- a/large_margin/mnist/mnist_config.py
+++ b/large_margin/mnist/mnist_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/mnist/mnist_model.py b/large_margin/mnist/mnist_model.py
index 18d5e02d220..dada38998fb 100644
--- a/large_margin/mnist/mnist_model.py
+++ b/large_margin/mnist/mnist_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/mnist/mnist_model_test.py b/large_margin/mnist/mnist_model_test.py
index d4527c45314..3234a888ace 100644
--- a/large_margin/mnist/mnist_model_test.py
+++ b/large_margin/mnist/mnist_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/run.sh b/large_margin/run.sh
index 189bd050a15..3d4070b1b4e 100755
--- a/large_margin/run.sh
+++ b/large_margin/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/scripts/run_local.sh b/large_margin/scripts/run_local.sh
index a0c4a15da57..1b98e59660e 100644
--- a/large_margin/scripts/run_local.sh
+++ b/large_margin/scripts/run_local.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/large_margin/train.py b/large_margin/train.py
index ce3f21c0601..99ad44cb51e 100644
--- a/large_margin/train.py
+++ b/large_margin/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/__init__.py b/learnreg/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/learnreg/__init__.py
+++ b/learnreg/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/coins_demo.py b/learnreg/coins_demo.py
index 9714d200b0f..1e5fbccd009 100644
--- a/learnreg/coins_demo.py
+++ b/learnreg/coins_demo.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/learn_lin_reg.py b/learnreg/learn_lin_reg.py
index e3679311f22..3e9ab0effd0 100644
--- a/learnreg/learn_lin_reg.py
+++ b/learnreg/learn_lin_reg.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/learn_lin_reg_test.py b/learnreg/learn_lin_reg_test.py
index 5ae3157a1d1..c89d223f210 100644
--- a/learnreg/learn_lin_reg_test.py
+++ b/learnreg/learn_lin_reg_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/run.sh b/learnreg/run.sh
index 7168694c4ec..aa0894ba485 100755
--- a/learnreg/run.sh
+++ b/learnreg/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/learnreg/tuning_algorithms.py b/learnreg/tuning_algorithms.py
index 9162dd39eec..d3399b5ca3d 100644
--- a/learnreg/tuning_algorithms.py
+++ b/learnreg/tuning_algorithms.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/arma.py b/linear_dynamical_systems/arma.py
index 95f50c96aa8..1c3ada6ac02 100644
--- a/linear_dynamical_systems/arma.py
+++ b/linear_dynamical_systems/arma.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/clustering.py b/linear_dynamical_systems/clustering.py
index b6fa19da855..7123270f391 100644
--- a/linear_dynamical_systems/clustering.py
+++ b/linear_dynamical_systems/clustering.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/experiment_bih_all.py b/linear_dynamical_systems/experiment_bih_all.py
index 8ba8477b070..70178982c33 100644
--- a/linear_dynamical_systems/experiment_bih_all.py
+++ b/linear_dynamical_systems/experiment_bih_all.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/experiment_bih_svta.py b/linear_dynamical_systems/experiment_bih_svta.py
index 5a48390fe8b..c5b55f908af 100644
--- a/linear_dynamical_systems/experiment_bih_svta.py
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@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
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 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/experiment_learn_eig.py b/linear_dynamical_systems/experiment_learn_eig.py
index f0bb2e63e69..8cc9c8ec741 100644
--- a/linear_dynamical_systems/experiment_learn_eig.py
+++ b/linear_dynamical_systems/experiment_learn_eig.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/experiments.py b/linear_dynamical_systems/experiments.py
index a0ffe674681..499c8ebfa3f 100644
--- a/linear_dynamical_systems/experiments.py
+++ b/linear_dynamical_systems/experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/iterated_regression.py b/linear_dynamical_systems/iterated_regression.py
index 5e551ffd6c2..235cf22791a 100644
--- a/linear_dynamical_systems/iterated_regression.py
+++ b/linear_dynamical_systems/iterated_regression.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/lds.py b/linear_dynamical_systems/lds.py
index 50711c43806..40ecae58151 100644
--- a/linear_dynamical_systems/lds.py
+++ b/linear_dynamical_systems/lds.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/plot_and_agg_stats.py b/linear_dynamical_systems/plot_and_agg_stats.py
index 7da16929d41..6f5b416f9b3 100644
--- a/linear_dynamical_systems/plot_and_agg_stats.py
+++ b/linear_dynamical_systems/plot_and_agg_stats.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/plot_dist_correlation.py b/linear_dynamical_systems/plot_dist_correlation.py
index 1024d8a0609..9716a373569 100644
--- a/linear_dynamical_systems/plot_dist_correlation.py
+++ b/linear_dynamical_systems/plot_dist_correlation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/plot_eig_error.py b/linear_dynamical_systems/plot_eig_error.py
index 362ff49208f..6264895f0c7 100644
--- a/linear_dynamical_systems/plot_eig_error.py
+++ b/linear_dynamical_systems/plot_eig_error.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/linear_dynamical_systems/process_mit_bih.py b/linear_dynamical_systems/process_mit_bih.py
index 70ddc7f7647..4b105bb151a 100644
--- a/linear_dynamical_systems/process_mit_bih.py
+++ b/linear_dynamical_systems/process_mit_bih.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/__init__.py b/m_theory/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/__init__.py
+++ b/m_theory/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/__init__.py b/m_theory/dim4/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/dim4/__init__.py
+++ b/m_theory/dim4/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/__init__.py b/m_theory/dim4/so8_supergravity_extrema/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/dim4/so8_supergravity_extrema/__init__.py
+++ b/m_theory/dim4/so8_supergravity_extrema/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/__init__.py b/m_theory/dim4/so8_supergravity_extrema/code/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/__init__.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/algebra.py b/m_theory/dim4/so8_supergravity_extrema/code/algebra.py
index 19de7736d20..227d9653a06 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/algebra.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/algebra.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/distillation.py b/m_theory/dim4/so8_supergravity_extrema/code/distillation.py
index dab48f8b9c7..45dab4c62f5 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/distillation.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/distillation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/extrema.py b/m_theory/dim4/so8_supergravity_extrema/code/extrema.py
index 977dfc6baab..257950e45ff 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/extrema.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/extrema.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/octonion_example.py b/m_theory/dim4/so8_supergravity_extrema/code/octonion_example.py
index 766e748cdde..8844e1a9aac 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/octonion_example.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/octonion_example.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector.py b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector.py
index b1cf16d59a6..0fe5f9ed275 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_mpmath.py b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_mpmath.py
index c6ca56b1b4d..9c8b2999089 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_mpmath.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_mpmath.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_tensorflow.py b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_tensorflow.py
index 763de0d0414..f18d3800282 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_tensorflow.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/scalar_sector_tensorflow.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/scan_test.py b/m_theory/dim4/so8_supergravity_extrema/code/scan_test.py
index d6b3e170a07..46a620d1e9b 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/scan_test.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/scan_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/code/symmetries.py b/m_theory/dim4/so8_supergravity_extrema/code/symmetries.py
index 8e314f88f19..cdc008e1982 100644
--- a/m_theory/dim4/so8_supergravity_extrema/code/symmetries.py
+++ b/m_theory/dim4/so8_supergravity_extrema/code/symmetries.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/colab/__init__.py b/m_theory/dim4/so8_supergravity_extrema/colab/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/dim4/so8_supergravity_extrema/colab/__init__.py
+++ b/m_theory/dim4/so8_supergravity_extrema/colab/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim4/so8_supergravity_extrema/colab/so8_supergravity.py b/m_theory/dim4/so8_supergravity_extrema/colab/so8_supergravity.py
index c31f22ff16f..bab066a2df5 100644
--- a/m_theory/dim4/so8_supergravity_extrema/colab/so8_supergravity.py
+++ b/m_theory/dim4/so8_supergravity_extrema/colab/so8_supergravity.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/dim5/cgr/__init__.py b/m_theory/dim5/cgr/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/dim5/cgr/__init__.py
+++ b/m_theory/dim5/cgr/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/m_theory_lib/__init__.py b/m_theory/m_theory_lib/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/m_theory_lib/__init__.py
+++ b/m_theory/m_theory_lib/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/m_theory_lib/tf_cexpm.py b/m_theory/m_theory_lib/tf_cexpm.py
index cc41b8b81cb..2c6c80033a5 100644
--- a/m_theory/m_theory_lib/tf_cexpm.py
+++ b/m_theory/m_theory_lib/tf_cexpm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/m_theory_lib/util.py b/m_theory/m_theory_lib/util.py
index 0f67d67e7ef..eb1218ff424 100644
--- a/m_theory/m_theory_lib/util.py
+++ b/m_theory/m_theory_lib/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/run.sh b/m_theory/run.sh
index 29c906a3f35..eba5fe08957 100755
--- a/m_theory/run.sh
+++ b/m_theory/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/wrapped_branes/__init__.py b/m_theory/wrapped_branes/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/m_theory/wrapped_branes/__init__.py
+++ b/m_theory/wrapped_branes/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/wrapped_branes/potentials.py b/m_theory/wrapped_branes/potentials.py
index dad7a43ea41..02bb09efeea 100644
--- a/m_theory/wrapped_branes/potentials.py
+++ b/m_theory/wrapped_branes/potentials.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/m_theory/wrapped_branes/wrapped_branes.py b/m_theory/wrapped_branes/wrapped_branes.py
index f3bfb4d407e..f844ee7c3bf 100644
--- a/m_theory/wrapped_branes/wrapped_branes.py
+++ b/m_theory/wrapped_branes/wrapped_branes.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/__init__.py b/maml_nonexclusive/maml_1/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/maml_nonexclusive/maml_1/__init__.py
+++ b/maml_nonexclusive/maml_1/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/data_generator.py b/maml_nonexclusive/maml_1/data_generator.py
index 6aae860b231..1b83d453876 100644
--- a/maml_nonexclusive/maml_1/data_generator.py
+++ b/maml_nonexclusive/maml_1/data_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/main.py b/maml_nonexclusive/maml_1/main.py
index 5905234cfa6..b69faf2fa7e 100644
--- a/maml_nonexclusive/maml_1/main.py
+++ b/maml_nonexclusive/maml_1/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/maml.py b/maml_nonexclusive/maml_1/maml.py
index e0d39d35fe3..cf1e5dd97a5 100644
--- a/maml_nonexclusive/maml_1/maml.py
+++ b/maml_nonexclusive/maml_1/maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/special_grads.py b/maml_nonexclusive/maml_1/special_grads.py
index 2bc04126cf2..b8b89b00cea 100644
--- a/maml_nonexclusive/maml_1/special_grads.py
+++ b/maml_nonexclusive/maml_1/special_grads.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_1/utils.py b/maml_nonexclusive/maml_1/utils.py
index 2449f6491d1..afbe29aeb18 100644
--- a/maml_nonexclusive/maml_1/utils.py
+++ b/maml_nonexclusive/maml_1/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/__init__.py b/maml_nonexclusive/maml_classification/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/maml_nonexclusive/maml_classification/__init__.py
+++ b/maml_nonexclusive/maml_classification/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/data/miniImagenet/proc_images.py b/maml_nonexclusive/maml_classification/data/miniImagenet/proc_images.py
index ee75bea3e98..c62d2d65929 100644
--- a/maml_nonexclusive/maml_classification/data/miniImagenet/proc_images.py
+++ b/maml_nonexclusive/maml_classification/data/miniImagenet/proc_images.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/data/omniglot_resized/resize_images.py b/maml_nonexclusive/maml_classification/data/omniglot_resized/resize_images.py
index e37191220b8..3c320587672 100644
--- a/maml_nonexclusive/maml_classification/data/omniglot_resized/resize_images.py
+++ b/maml_nonexclusive/maml_classification/data/omniglot_resized/resize_images.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/data_generator.py b/maml_nonexclusive/maml_classification/data_generator.py
index 13843f47385..861fb0bdfe6 100644
--- a/maml_nonexclusive/maml_classification/data_generator.py
+++ b/maml_nonexclusive/maml_classification/data_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/main.py b/maml_nonexclusive/maml_classification/main.py
index f90bffad2dc..6b519936c96 100644
--- a/maml_nonexclusive/maml_classification/main.py
+++ b/maml_nonexclusive/maml_classification/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/maml.py b/maml_nonexclusive/maml_classification/maml.py
index e0d39d35fe3..cf1e5dd97a5 100644
--- a/maml_nonexclusive/maml_classification/maml.py
+++ b/maml_nonexclusive/maml_classification/maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/special_grads.py b/maml_nonexclusive/maml_classification/special_grads.py
index 2bc04126cf2..b8b89b00cea 100644
--- a/maml_nonexclusive/maml_classification/special_grads.py
+++ b/maml_nonexclusive/maml_classification/special_grads.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification/utils.py b/maml_nonexclusive/maml_classification/utils.py
index 81e91708668..4c5e656c93b 100644
--- a/maml_nonexclusive/maml_classification/utils.py
+++ b/maml_nonexclusive/maml_classification/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/__init__.py b/maml_nonexclusive/maml_classification_dclaw/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/maml_nonexclusive/maml_classification_dclaw/__init__.py
+++ b/maml_nonexclusive/maml_classification_dclaw/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/data/proc_images_dclaw.py b/maml_nonexclusive/maml_classification_dclaw/data/proc_images_dclaw.py
index 9ef0bd35529..946acd102fb 100644
--- a/maml_nonexclusive/maml_classification_dclaw/data/proc_images_dclaw.py
+++ b/maml_nonexclusive/maml_classification_dclaw/data/proc_images_dclaw.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/data_generator.py b/maml_nonexclusive/maml_classification_dclaw/data_generator.py
index 18d7c5cb290..3cd7c093e7b 100644
--- a/maml_nonexclusive/maml_classification_dclaw/data_generator.py
+++ b/maml_nonexclusive/maml_classification_dclaw/data_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/main.py b/maml_nonexclusive/maml_classification_dclaw/main.py
index a4a698b42ad..f29be3e1b50 100644
--- a/maml_nonexclusive/maml_classification_dclaw/main.py
+++ b/maml_nonexclusive/maml_classification_dclaw/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/maml.py b/maml_nonexclusive/maml_classification_dclaw/maml.py
index 6824a959d00..2c2fe272702 100644
--- a/maml_nonexclusive/maml_classification_dclaw/maml.py
+++ b/maml_nonexclusive/maml_classification_dclaw/maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/special_grads.py b/maml_nonexclusive/maml_classification_dclaw/special_grads.py
index 2bc04126cf2..b8b89b00cea 100644
--- a/maml_nonexclusive/maml_classification_dclaw/special_grads.py
+++ b/maml_nonexclusive/maml_classification_dclaw/special_grads.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_classification_dclaw/utils.py b/maml_nonexclusive/maml_classification_dclaw/utils.py
index cd4fe9b90b5..930e813280b 100644
--- a/maml_nonexclusive/maml_classification_dclaw/utils.py
+++ b/maml_nonexclusive/maml_classification_dclaw/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/__init__.py b/maml_nonexclusive/maml_multitask/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/maml_nonexclusive/maml_multitask/__init__.py
+++ b/maml_nonexclusive/maml_multitask/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/data/omniglot_resized/resize_images.py b/maml_nonexclusive/maml_multitask/data/omniglot_resized/resize_images.py
index e37191220b8..3c320587672 100644
--- a/maml_nonexclusive/maml_multitask/data/omniglot_resized/resize_images.py
+++ b/maml_nonexclusive/maml_multitask/data/omniglot_resized/resize_images.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/data_generator.py b/maml_nonexclusive/maml_multitask/data_generator.py
index a6d37f5a61e..c7f86eabfee 100644
--- a/maml_nonexclusive/maml_multitask/data_generator.py
+++ b/maml_nonexclusive/maml_multitask/data_generator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/main.py b/maml_nonexclusive/maml_multitask/main.py
index c105833010d..36c97c7ac0a 100644
--- a/maml_nonexclusive/maml_multitask/main.py
+++ b/maml_nonexclusive/maml_multitask/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/maml.py b/maml_nonexclusive/maml_multitask/maml.py
index e950d887281..4cb9ced24a5 100644
--- a/maml_nonexclusive/maml_multitask/maml.py
+++ b/maml_nonexclusive/maml_multitask/maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/maml_nonexclusive/maml_multitask/utils.py b/maml_nonexclusive/maml_multitask/utils.py
index fbc8c0261d8..ab3d309e328 100644
--- a/maml_nonexclusive/maml_multitask/utils.py
+++ b/maml_nonexclusive/maml_multitask/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/__init__.py b/meta_learning_without_memorization/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/meta_learning_without_memorization/__init__.py
+++ b/meta_learning_without_memorization/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/__init__.py b/meta_learning_without_memorization/pose_code/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/meta_learning_without_memorization/pose_code/__init__.py
+++ b/meta_learning_without_memorization/pose_code/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/maml_bbb.py b/meta_learning_without_memorization/pose_code/maml_bbb.py
index 29113559644..4c265536e2b 100644
--- a/meta_learning_without_memorization/pose_code/maml_bbb.py
+++ b/meta_learning_without_memorization/pose_code/maml_bbb.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/maml_bbb_2.py b/meta_learning_without_memorization/pose_code/maml_bbb_2.py
index 7968f8a4248..21086319c2a 100644
--- a/meta_learning_without_memorization/pose_code/maml_bbb_2.py
+++ b/meta_learning_without_memorization/pose_code/maml_bbb_2.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/maml_vanilla.py b/meta_learning_without_memorization/pose_code/maml_vanilla.py
index cd8141a743f..a279a6df649 100644
--- a/meta_learning_without_memorization/pose_code/maml_vanilla.py
+++ b/meta_learning_without_memorization/pose_code/maml_vanilla.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/maml_vanilla_2.py b/meta_learning_without_memorization/pose_code/maml_vanilla_2.py
index 2518353d2aa..55aa0768474 100644
--- a/meta_learning_without_memorization/pose_code/maml_vanilla_2.py
+++ b/meta_learning_without_memorization/pose_code/maml_vanilla_2.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/np_all_bbb.py b/meta_learning_without_memorization/pose_code/np_all_bbb.py
index 084c3bf3fd4..a6ef5f919e6 100644
--- a/meta_learning_without_memorization/pose_code/np_all_bbb.py
+++ b/meta_learning_without_memorization/pose_code/np_all_bbb.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/np_bbb.py b/meta_learning_without_memorization/pose_code/np_bbb.py
index a4770832c5a..6db0518650a 100644
--- a/meta_learning_without_memorization/pose_code/np_bbb.py
+++ b/meta_learning_without_memorization/pose_code/np_bbb.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/np_ib.py b/meta_learning_without_memorization/pose_code/np_ib.py
index 0d4c7c62b85..104c5840dd9 100644
--- a/meta_learning_without_memorization/pose_code/np_ib.py
+++ b/meta_learning_without_memorization/pose_code/np_ib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/np_vanilla.py b/meta_learning_without_memorization/pose_code/np_vanilla.py
index 438d7bd3f9c..9318cf064f0 100644
--- a/meta_learning_without_memorization/pose_code/np_vanilla.py
+++ b/meta_learning_without_memorization/pose_code/np_vanilla.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_code/run.sh b/meta_learning_without_memorization/pose_code/run.sh
index 01da39fdee3..2a989e9bb8f 100755
--- a/meta_learning_without_memorization/pose_code/run.sh
+++ b/meta_learning_without_memorization/pose_code/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_data/create_fake_data.py b/meta_learning_without_memorization/pose_data/create_fake_data.py
index 8beb7f235aa..7aaa882e94f 100644
--- a/meta_learning_without_memorization/pose_data/create_fake_data.py
+++ b/meta_learning_without_memorization/pose_data/create_fake_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_data/data_gen.py b/meta_learning_without_memorization/pose_data/data_gen.py
index 59f513ce6fe..d3426dc1f0f 100644
--- a/meta_learning_without_memorization/pose_data/data_gen.py
+++ b/meta_learning_without_memorization/pose_data/data_gen.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_data/mujoco_render.py b/meta_learning_without_memorization/pose_data/mujoco_render.py
index 3c15cc5c2c9..3993b68cb6d 100644
--- a/meta_learning_without_memorization/pose_data/mujoco_render.py
+++ b/meta_learning_without_memorization/pose_data/mujoco_render.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_learning_without_memorization/pose_data/resize_images.py b/meta_learning_without_memorization/pose_data/resize_images.py
index ed2c9375c24..afd573cfa83 100644
--- a/meta_learning_without_memorization/pose_data/resize_images.py
+++ b/meta_learning_without_memorization/pose_data/resize_images.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/__init__.py b/meta_reward_learning/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/meta_reward_learning/__init__.py
+++ b/meta_reward_learning/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/__init__.py b/meta_reward_learning/semantic_parsing/__init__.py
index 122de214f6c..40821125b29 100644
--- a/meta_reward_learning/semantic_parsing/__init__.py
+++ b/meta_reward_learning/semantic_parsing/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/arg_builder.py b/meta_reward_learning/semantic_parsing/arg_builder.py
index 83ff6b96acc..5d16ed58950 100644
--- a/meta_reward_learning/semantic_parsing/arg_builder.py
+++ b/meta_reward_learning/semantic_parsing/arg_builder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/common_flags.py b/meta_reward_learning/semantic_parsing/common_flags.py
index af6371ee120..83f0e42d764 100644
--- a/meta_reward_learning/semantic_parsing/common_flags.py
+++ b/meta_reward_learning/semantic_parsing/common_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/eval.sh b/meta_reward_learning/semantic_parsing/eval.sh
index 46355ae1f40..46ae453229a 100644
--- a/meta_reward_learning/semantic_parsing/eval.sh
+++ b/meta_reward_learning/semantic_parsing/eval.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/experiment_single.py b/meta_reward_learning/semantic_parsing/experiment_single.py
index 17f0b3c2e0d..e0e201e882b 100644
--- a/meta_reward_learning/semantic_parsing/experiment_single.py
+++ b/meta_reward_learning/semantic_parsing/experiment_single.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/__init__.py b/meta_reward_learning/semantic_parsing/nsm/__init__.py
index 122de214f6c..40821125b29 100644
--- a/meta_reward_learning/semantic_parsing/nsm/__init__.py
+++ b/meta_reward_learning/semantic_parsing/nsm/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/agent_factory.py b/meta_reward_learning/semantic_parsing/nsm/agent_factory.py
index ab3365c8b7e..70aac9fd36c 100644
--- a/meta_reward_learning/semantic_parsing/nsm/agent_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/agent_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/computer_factory.py b/meta_reward_learning/semantic_parsing/nsm/computer_factory.py
index a24b4d34f69..b342fdf3067 100644
--- a/meta_reward_learning/semantic_parsing/nsm/computer_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/computer_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/data_utils.py b/meta_reward_learning/semantic_parsing/nsm/data_utils.py
index 867f75eec3c..1653674ab6f 100644
--- a/meta_reward_learning/semantic_parsing/nsm/data_utils.py
+++ b/meta_reward_learning/semantic_parsing/nsm/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/env_factory.py b/meta_reward_learning/semantic_parsing/nsm/env_factory.py
index 555f55078a9..0e6bfd0eb93 100644
--- a/meta_reward_learning/semantic_parsing/nsm/env_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/env_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/executor_factory.py b/meta_reward_learning/semantic_parsing/nsm/executor_factory.py
index ab48093217e..c90ae98de1e 100644
--- a/meta_reward_learning/semantic_parsing/nsm/executor_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/executor_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/graph_factory.py b/meta_reward_learning/semantic_parsing/nsm/graph_factory.py
index 9b0caf9c205..d87b15594d0 100644
--- a/meta_reward_learning/semantic_parsing/nsm/graph_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/graph_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/model_factory.py b/meta_reward_learning/semantic_parsing/nsm/model_factory.py
index 6a4cf23012d..79289c46176 100644
--- a/meta_reward_learning/semantic_parsing/nsm/model_factory.py
+++ b/meta_reward_learning/semantic_parsing/nsm/model_factory.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/nlp_utils.py b/meta_reward_learning/semantic_parsing/nsm/nlp_utils.py
index 776cd13280c..f2779699d9a 100644
--- a/meta_reward_learning/semantic_parsing/nsm/nlp_utils.py
+++ b/meta_reward_learning/semantic_parsing/nsm/nlp_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/score_utils.py b/meta_reward_learning/semantic_parsing/nsm/score_utils.py
index f198a7e0371..88511f839e0 100644
--- a/meta_reward_learning/semantic_parsing/nsm/score_utils.py
+++ b/meta_reward_learning/semantic_parsing/nsm/score_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/tf_utils.py b/meta_reward_learning/semantic_parsing/nsm/tf_utils.py
index 09528f9db6f..2ead98bef84 100644
--- a/meta_reward_learning/semantic_parsing/nsm/tf_utils.py
+++ b/meta_reward_learning/semantic_parsing/nsm/tf_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/nsm/word_embeddings.py b/meta_reward_learning/semantic_parsing/nsm/word_embeddings.py
index 278dd4e37ff..e6f60e4fa4a 100644
--- a/meta_reward_learning/semantic_parsing/nsm/word_embeddings.py
+++ b/meta_reward_learning/semantic_parsing/nsm/word_embeddings.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/run.sh b/meta_reward_learning/semantic_parsing/run.sh
index 7bb4b9d4d41..5f31b7cb514 100755
--- a/meta_reward_learning/semantic_parsing/run.sh
+++ b/meta_reward_learning/semantic_parsing/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/run_single.sh b/meta_reward_learning/semantic_parsing/run_single.sh
index 102c730d654..6932a6bf1c8 100644
--- a/meta_reward_learning/semantic_parsing/run_single.sh
+++ b/meta_reward_learning/semantic_parsing/run_single.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/table/__init__.py b/meta_reward_learning/semantic_parsing/table/__init__.py
index 122de214f6c..40821125b29 100644
--- a/meta_reward_learning/semantic_parsing/table/__init__.py
+++ b/meta_reward_learning/semantic_parsing/table/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/table/random_explore.py b/meta_reward_learning/semantic_parsing/table/random_explore.py
index ed1cf5470c9..bc2bc5dd73b 100644
--- a/meta_reward_learning/semantic_parsing/table/random_explore.py
+++ b/meta_reward_learning/semantic_parsing/table/random_explore.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/table/utils.py b/meta_reward_learning/semantic_parsing/table/utils.py
index 3057d879dc0..d8f3d87bebd 100644
--- a/meta_reward_learning/semantic_parsing/table/utils.py
+++ b/meta_reward_learning/semantic_parsing/table/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/table/wtq/__init__.py b/meta_reward_learning/semantic_parsing/table/wtq/__init__.py
index 122de214f6c..40821125b29 100644
--- a/meta_reward_learning/semantic_parsing/table/wtq/__init__.py
+++ b/meta_reward_learning/semantic_parsing/table/wtq/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/semantic_parsing/table/wtq/evaluator.py b/meta_reward_learning/semantic_parsing/table/wtq/evaluator.py
index 09f2af4c053..2a445f2618b 100644
--- a/meta_reward_learning/semantic_parsing/table/wtq/evaluator.py
+++ b/meta_reward_learning/semantic_parsing/table/wtq/evaluator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/__init__.py b/meta_reward_learning/textworld/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/meta_reward_learning/textworld/__init__.py
+++ b/meta_reward_learning/textworld/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/arg_builder.py b/meta_reward_learning/textworld/arg_builder.py
index 9030b3b9904..23bceb64637 100644
--- a/meta_reward_learning/textworld/arg_builder.py
+++ b/meta_reward_learning/textworld/arg_builder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/common_flags.py b/meta_reward_learning/textworld/common_flags.py
index 36d42648c27..2aad4e8ea05 100644
--- a/meta_reward_learning/textworld/common_flags.py
+++ b/meta_reward_learning/textworld/common_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/experiment.py b/meta_reward_learning/textworld/experiment.py
index dc4481e6528..dbcfe5b109b 100644
--- a/meta_reward_learning/textworld/experiment.py
+++ b/meta_reward_learning/textworld/experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/__init__.py b/meta_reward_learning/textworld/lib/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/meta_reward_learning/textworld/lib/__init__.py
+++ b/meta_reward_learning/textworld/lib/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/agent.py b/meta_reward_learning/textworld/lib/agent.py
index c148b07b548..51b4724a6a9 100644
--- a/meta_reward_learning/textworld/lib/agent.py
+++ b/meta_reward_learning/textworld/lib/agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/environment.py b/meta_reward_learning/textworld/lib/environment.py
index 4a34b47e9a9..c472029603a 100644
--- a/meta_reward_learning/textworld/lib/environment.py
+++ b/meta_reward_learning/textworld/lib/environment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/graph_search.py b/meta_reward_learning/textworld/lib/graph_search.py
index da7ff7bb03e..71904064535 100644
--- a/meta_reward_learning/textworld/lib/graph_search.py
+++ b/meta_reward_learning/textworld/lib/graph_search.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/helpers.py b/meta_reward_learning/textworld/lib/helpers.py
index d794bbb7f00..1bd8e123db8 100644
--- a/meta_reward_learning/textworld/lib/helpers.py
+++ b/meta_reward_learning/textworld/lib/helpers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/model.py b/meta_reward_learning/textworld/lib/model.py
index 757ac187e9e..624a6a3094e 100644
--- a/meta_reward_learning/textworld/lib/model.py
+++ b/meta_reward_learning/textworld/lib/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/replay_buffer.py b/meta_reward_learning/textworld/lib/replay_buffer.py
index 62a59064d85..67b706c17eb 100644
--- a/meta_reward_learning/textworld/lib/replay_buffer.py
+++ b/meta_reward_learning/textworld/lib/replay_buffer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/lib/seed_helpers.py b/meta_reward_learning/textworld/lib/seed_helpers.py
index 04037780817..9eabcecf578 100644
--- a/meta_reward_learning/textworld/lib/seed_helpers.py
+++ b/meta_reward_learning/textworld/lib/seed_helpers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/meta_reward_learning/textworld/run.sh b/meta_reward_learning/textworld/run.sh
index aacd2c47415..7b302cfa7e0 100755
--- a/meta_reward_learning/textworld/run.sh
+++ b/meta_reward_learning/textworld/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/micronet_challenge/__init__.py b/micronet_challenge/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/micronet_challenge/__init__.py
+++ b/micronet_challenge/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/micronet_challenge/counting.py b/micronet_challenge/counting.py
index 214408923a2..5db2d528bc6 100644
--- a/micronet_challenge/counting.py
+++ b/micronet_challenge/counting.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/micronet_challenge/run.sh b/micronet_challenge/run.sh
index c7ba221f570..2b41cdbd569 100644
--- a/micronet_challenge/run.sh
+++ b/micronet_challenge/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/__init__.py b/milking_cowmask/architectures/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/milking_cowmask/architectures/__init__.py
+++ b/milking_cowmask/architectures/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/model_pyramidnet.py b/milking_cowmask/architectures/model_pyramidnet.py
index 85a588c75d2..f6ff66c00e9 100644
--- a/milking_cowmask/architectures/model_pyramidnet.py
+++ b/milking_cowmask/architectures/model_pyramidnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/model_resnet.py b/milking_cowmask/architectures/model_resnet.py
index 83202d67ba2..c74abd132f4 100644
--- a/milking_cowmask/architectures/model_resnet.py
+++ b/milking_cowmask/architectures/model_resnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/model_wrn.py b/milking_cowmask/architectures/model_wrn.py
index 910bb2a244e..b37abe5cd03 100644
--- a/milking_cowmask/architectures/model_wrn.py
+++ b/milking_cowmask/architectures/model_wrn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/model_wrn_shakeshake.py b/milking_cowmask/architectures/model_wrn_shakeshake.py
index 6d24700c6a0..3525931c16c 100644
--- a/milking_cowmask/architectures/model_wrn_shakeshake.py
+++ b/milking_cowmask/architectures/model_wrn_shakeshake.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/architectures/shake.py b/milking_cowmask/architectures/shake.py
index 871898a67c2..58aa451cff5 100644
--- a/milking_cowmask/architectures/shake.py
+++ b/milking_cowmask/architectures/shake.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/data_sources/__init__.py b/milking_cowmask/data_sources/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/milking_cowmask/data_sources/__init__.py
+++ b/milking_cowmask/data_sources/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/data_sources/imagenet_data_source.py b/milking_cowmask/data_sources/imagenet_data_source.py
index cfe64477e33..a0828d3e065 100644
--- a/milking_cowmask/data_sources/imagenet_data_source.py
+++ b/milking_cowmask/data_sources/imagenet_data_source.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/data_sources/small_image_data_source.py b/milking_cowmask/data_sources/small_image_data_source.py
index 55f3eb689a7..c97a2e194b5 100644
--- a/milking_cowmask/data_sources/small_image_data_source.py
+++ b/milking_cowmask/data_sources/small_image_data_source.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/main_semisup.py b/milking_cowmask/main_semisup.py
index 10d24b130ed..6b0f7c12136 100644
--- a/milking_cowmask/main_semisup.py
+++ b/milking_cowmask/main_semisup.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/masking/__init__.py b/milking_cowmask/masking/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/milking_cowmask/masking/__init__.py
+++ b/milking_cowmask/masking/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/masking/box_mask.py b/milking_cowmask/masking/box_mask.py
index 7857a8416c7..29a10a1cf88 100644
--- a/milking_cowmask/masking/box_mask.py
+++ b/milking_cowmask/masking/box_mask.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/masking/cow_mask.py b/milking_cowmask/masking/cow_mask.py
index 77215dc617c..9f48996b579 100644
--- a/milking_cowmask/masking/cow_mask.py
+++ b/milking_cowmask/masking/cow_mask.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/masking/regularizers.py b/milking_cowmask/masking/regularizers.py
index e0f177f3901..b6d82fde680 100644
--- a/milking_cowmask/masking/regularizers.py
+++ b/milking_cowmask/masking/regularizers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/run.sh b/milking_cowmask/run.sh
index 353312b6390..c25644de882 100644
--- a/milking_cowmask/run.sh
+++ b/milking_cowmask/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/train_semisup.py b/milking_cowmask/train_semisup.py
index 71c0ed309b5..0f61224628f 100644
--- a/milking_cowmask/train_semisup.py
+++ b/milking_cowmask/train_semisup.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/milking_cowmask/util.py b/milking_cowmask/util.py
index a5aea8f0b0d..7f932fe01ed 100644
--- a/milking_cowmask/util.py
+++ b/milking_cowmask/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/__init__.py b/model_pruning/__init__.py
index 8f22885ed2d..f8ad5da557c 100644
--- a/model_pruning/__init__.py
+++ b/model_pruning/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/examples/cifar10/cifar10_eval.py b/model_pruning/examples/cifar10/cifar10_eval.py
index 6e3af94ee33..033576b0fab 100644
--- a/model_pruning/examples/cifar10/cifar10_eval.py
+++ b/model_pruning/examples/cifar10/cifar10_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/examples/cifar10/cifar10_input.py b/model_pruning/examples/cifar10/cifar10_input.py
index 5049f8845b3..967efcc2171 100644
--- a/model_pruning/examples/cifar10/cifar10_input.py
+++ b/model_pruning/examples/cifar10/cifar10_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/examples/cifar10/cifar10_pruning.py b/model_pruning/examples/cifar10/cifar10_pruning.py
index 71b4fdf947e..b5098e48cf8 100644
--- a/model_pruning/examples/cifar10/cifar10_pruning.py
+++ b/model_pruning/examples/cifar10/cifar10_pruning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/examples/cifar10/cifar10_train.py b/model_pruning/examples/cifar10/cifar10_train.py
index c70efcf24e4..d8ec26a39c0 100644
--- a/model_pruning/examples/cifar10/cifar10_train.py
+++ b/model_pruning/examples/cifar10/cifar10_train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/layers/rnn_cells.py b/model_pruning/python/layers/rnn_cells.py
index 09347b22723..8ded8e5b346 100644
--- a/model_pruning/python/layers/rnn_cells.py
+++ b/model_pruning/python/layers/rnn_cells.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/layers/rnn_cells_test.py b/model_pruning/python/layers/rnn_cells_test.py
index 3736713bdc7..268b360826e 100644
--- a/model_pruning/python/layers/rnn_cells_test.py
+++ b/model_pruning/python/layers/rnn_cells_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning.py b/model_pruning/python/pruning.py
index b0f3166623d..81bcc98b1c6 100644
--- a/model_pruning/python/pruning.py
+++ b/model_pruning/python/pruning.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning_interface.py b/model_pruning/python/pruning_interface.py
index 6c254df67b6..b03f44c7b97 100644
--- a/model_pruning/python/pruning_interface.py
+++ b/model_pruning/python/pruning_interface.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning_interface_test.py b/model_pruning/python/pruning_interface_test.py
index b1acf495443..eb40fc9875b 100644
--- a/model_pruning/python/pruning_interface_test.py
+++ b/model_pruning/python/pruning_interface_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning_test.py b/model_pruning/python/pruning_test.py
index c422798b60c..0a8eabaf989 100644
--- a/model_pruning/python/pruning_test.py
+++ b/model_pruning/python/pruning_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning_utils.py b/model_pruning/python/pruning_utils.py
index 317288b0c52..2a5045bfb25 100644
--- a/model_pruning/python/pruning_utils.py
+++ b/model_pruning/python/pruning_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/pruning_utils_test.py b/model_pruning/python/pruning_utils_test.py
index 912bd2a1f4f..c1a0c6a2826 100644
--- a/model_pruning/python/pruning_utils_test.py
+++ b/model_pruning/python/pruning_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/strip_pruning_vars.py b/model_pruning/python/strip_pruning_vars.py
index cb7264ed4b9..d9cfd11a82d 100644
--- a/model_pruning/python/strip_pruning_vars.py
+++ b/model_pruning/python/strip_pruning_vars.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/strip_pruning_vars_lib.py b/model_pruning/python/strip_pruning_vars_lib.py
index 142738a915c..db2f1067c6b 100644
--- a/model_pruning/python/strip_pruning_vars_lib.py
+++ b/model_pruning/python/strip_pruning_vars_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/model_pruning/python/strip_pruning_vars_test.py b/model_pruning/python/strip_pruning_vars_test.py
index 44e24d52642..db558aac7e6 100644
--- a/model_pruning/python/strip_pruning_vars_test.py
+++ b/model_pruning/python/strip_pruning_vars_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moew/crime.py b/moew/crime.py
index c09693b8029..61846d6ab1b 100644
--- a/moew/crime.py
+++ b/moew/crime.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moew/mnist.py b/moew/mnist.py
index f9b79b4d301..e5421a8ecac 100644
--- a/moew/mnist.py
+++ b/moew/mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moew/run.sh b/moew/run.sh
index 31decd7a179..d2bb757f55f 100755
--- a/moew/run.sh
+++ b/moew/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moew/wine.py b/moew/wine.py
index 7e6ae9751f8..14558305126 100644
--- a/moew/wine.py
+++ b/moew/wine.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/__init__.py b/mol_dqn/chemgraph/__init__.py
index 122de214f6c..40821125b29 100644
--- a/mol_dqn/chemgraph/__init__.py
+++ b/mol_dqn/chemgraph/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/__init__.py b/mol_dqn/chemgraph/dqn/__init__.py
index 122de214f6c..40821125b29 100644
--- a/mol_dqn/chemgraph/dqn/__init__.py
+++ b/mol_dqn/chemgraph/dqn/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/deep_q_networks.py b/mol_dqn/chemgraph/dqn/deep_q_networks.py
index af8b5e57fe3..6f56a15a85d 100644
--- a/mol_dqn/chemgraph/dqn/deep_q_networks.py
+++ b/mol_dqn/chemgraph/dqn/deep_q_networks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/deep_q_networks_test.py b/mol_dqn/chemgraph/dqn/deep_q_networks_test.py
index 15cc131757b..2ec85a9fee8 100644
--- a/mol_dqn/chemgraph/dqn/deep_q_networks_test.py
+++ b/mol_dqn/chemgraph/dqn/deep_q_networks_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/molecules.py b/mol_dqn/chemgraph/dqn/molecules.py
index f1f4b32ff84..f9761596666 100644
--- a/mol_dqn/chemgraph/dqn/molecules.py
+++ b/mol_dqn/chemgraph/dqn/molecules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/molecules_test.py b/mol_dqn/chemgraph/dqn/molecules_test.py
index 73489325c89..4206569d7b3 100644
--- a/mol_dqn/chemgraph/dqn/molecules_test.py
+++ b/mol_dqn/chemgraph/dqn/molecules_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/py/__init__.py b/mol_dqn/chemgraph/dqn/py/__init__.py
index 122de214f6c..40821125b29 100644
--- a/mol_dqn/chemgraph/dqn/py/__init__.py
+++ b/mol_dqn/chemgraph/dqn/py/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/py/molecules.py b/mol_dqn/chemgraph/dqn/py/molecules.py
index a9af94907e3..a728828f634 100644
--- a/mol_dqn/chemgraph/dqn/py/molecules.py
+++ b/mol_dqn/chemgraph/dqn/py/molecules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/py/molecules_test.py b/mol_dqn/chemgraph/dqn/py/molecules_test.py
index 2be60b4dfbb..805dc99d09e 100644
--- a/mol_dqn/chemgraph/dqn/py/molecules_test.py
+++ b/mol_dqn/chemgraph/dqn/py/molecules_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/run_dqn.py b/mol_dqn/chemgraph/dqn/run_dqn.py
index 00a28a929d8..6a325be8dfa 100644
--- a/mol_dqn/chemgraph/dqn/run_dqn.py
+++ b/mol_dqn/chemgraph/dqn/run_dqn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/run_dqn_test.py b/mol_dqn/chemgraph/dqn/run_dqn_test.py
index 32977c7f226..bab94c490dc 100644
--- a/mol_dqn/chemgraph/dqn/run_dqn_test.py
+++ b/mol_dqn/chemgraph/dqn/run_dqn_test.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/tensorflow_core/__init__.py b/mol_dqn/chemgraph/dqn/tensorflow_core/__init__.py
index 122de214f6c..40821125b29 100644
--- a/mol_dqn/chemgraph/dqn/tensorflow_core/__init__.py
+++ b/mol_dqn/chemgraph/dqn/tensorflow_core/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/dqn/tensorflow_core/core.py b/mol_dqn/chemgraph/dqn/tensorflow_core/core.py
index 07b3750d6dd..ec8982224b2 100644
--- a/mol_dqn/chemgraph/dqn/tensorflow_core/core.py
+++ b/mol_dqn/chemgraph/dqn/tensorflow_core/core.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/multi_obj_opt.py b/mol_dqn/chemgraph/multi_obj_opt.py
index aa6489ac75c..45d6750476d 100644
--- a/mol_dqn/chemgraph/multi_obj_opt.py
+++ b/mol_dqn/chemgraph/multi_obj_opt.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/multi_obj_opt_test.py b/mol_dqn/chemgraph/multi_obj_opt_test.py
index 5d17bb96339..5931e7aadb4 100644
--- a/mol_dqn/chemgraph/multi_obj_opt_test.py
+++ b/mol_dqn/chemgraph/multi_obj_opt_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/optimize_logp.py b/mol_dqn/chemgraph/optimize_logp.py
index f1370a45184..4de6ee56f81 100644
--- a/mol_dqn/chemgraph/optimize_logp.py
+++ b/mol_dqn/chemgraph/optimize_logp.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/optimize_logp_of_800_molecules.py b/mol_dqn/chemgraph/optimize_logp_of_800_molecules.py
index f8371d8a314..ac6f34dc8fb 100644
--- a/mol_dqn/chemgraph/optimize_logp_of_800_molecules.py
+++ b/mol_dqn/chemgraph/optimize_logp_of_800_molecules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/optimize_logp_of_800_molecules_test.py b/mol_dqn/chemgraph/optimize_logp_of_800_molecules_test.py
index e07084d397f..2945b805a13 100644
--- a/mol_dqn/chemgraph/optimize_logp_of_800_molecules_test.py
+++ b/mol_dqn/chemgraph/optimize_logp_of_800_molecules_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/optimize_qed.py b/mol_dqn/chemgraph/optimize_qed.py
index c5b01378343..d6172e4191c 100644
--- a/mol_dqn/chemgraph/optimize_qed.py
+++ b/mol_dqn/chemgraph/optimize_qed.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/optimize_qed_test.py b/mol_dqn/chemgraph/optimize_qed_test.py
index ac541e84292..1cf3c574d01 100644
--- a/mol_dqn/chemgraph/optimize_qed_test.py
+++ b/mol_dqn/chemgraph/optimize_qed_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/target_sas.py b/mol_dqn/chemgraph/target_sas.py
index 1dffbc95d6f..c09ef8f05e4 100644
--- a/mol_dqn/chemgraph/target_sas.py
+++ b/mol_dqn/chemgraph/target_sas.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/chemgraph/target_sas_test.py b/mol_dqn/chemgraph/target_sas_test.py
index 9039d584d82..03276c94502 100644
--- a/mol_dqn/chemgraph/target_sas_test.py
+++ b/mol_dqn/chemgraph/target_sas_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/deep_q_networks_noise.py b/mol_dqn/experimental/deep_q_networks_noise.py
index be6254e7606..189c5bf2790 100644
--- a/mol_dqn/experimental/deep_q_networks_noise.py
+++ b/mol_dqn/experimental/deep_q_networks_noise.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/eval_800_mols.py b/mol_dqn/experimental/eval_800_mols.py
index 02cef1587e0..aae30668e2f 100644
--- a/mol_dqn/experimental/eval_800_mols.py
+++ b/mol_dqn/experimental/eval_800_mols.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/max_qed_with_sim.py b/mol_dqn/experimental/max_qed_with_sim.py
index 63ac7c6b837..8a4ffc28e75 100644
--- a/mol_dqn/experimental/max_qed_with_sim.py
+++ b/mol_dqn/experimental/max_qed_with_sim.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/multi_obj.py b/mol_dqn/experimental/multi_obj.py
index 5b95212f63b..80742e0881a 100644
--- a/mol_dqn/experimental/multi_obj.py
+++ b/mol_dqn/experimental/multi_obj.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/multi_obj_gen.py b/mol_dqn/experimental/multi_obj_gen.py
index e7f1fe78f93..04e4593c75b 100644
--- a/mol_dqn/experimental/multi_obj_gen.py
+++ b/mol_dqn/experimental/multi_obj_gen.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/multi_obj_opt.py b/mol_dqn/experimental/multi_obj_opt.py
index b298422063e..9b69dd915b3 100644
--- a/mol_dqn/experimental/multi_obj_opt.py
+++ b/mol_dqn/experimental/multi_obj_opt.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_800_mols.py b/mol_dqn/experimental/optimize_800_mols.py
index e43d3f490c1..5ebb5e7dfa5 100644
--- a/mol_dqn/experimental/optimize_800_mols.py
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@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_logp.py b/mol_dqn/experimental/optimize_logp.py
index 5495bbfc4d5..a3911d79332 100644
--- a/mol_dqn/experimental/optimize_logp.py
+++ b/mol_dqn/experimental/optimize_logp.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_qed.py b/mol_dqn/experimental/optimize_qed.py
index ed4e1e62d23..ec5c3f599ee 100644
--- a/mol_dqn/experimental/optimize_qed.py
+++ b/mol_dqn/experimental/optimize_qed.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_qed_final_reward.py b/mol_dqn/experimental/optimize_qed_final_reward.py
index ba74c75a3df..e47112b9c22 100644
--- a/mol_dqn/experimental/optimize_qed_final_reward.py
+++ b/mol_dqn/experimental/optimize_qed_final_reward.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_qed_max_steps.py b/mol_dqn/experimental/optimize_qed_max_steps.py
index 6e621c3d466..7acff17b600 100644
--- a/mol_dqn/experimental/optimize_qed_max_steps.py
+++ b/mol_dqn/experimental/optimize_qed_max_steps.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_qed_noise.py b/mol_dqn/experimental/optimize_qed_noise.py
index 436313d9de9..97b1e87aef7 100644
--- a/mol_dqn/experimental/optimize_qed_noise.py
+++ b/mol_dqn/experimental/optimize_qed_noise.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_qed_t.py b/mol_dqn/experimental/optimize_qed_t.py
index da75976bf65..fbeaaf7f23d 100644
--- a/mol_dqn/experimental/optimize_qed_t.py
+++ b/mol_dqn/experimental/optimize_qed_t.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/optimize_weight_noise.py b/mol_dqn/experimental/optimize_weight_noise.py
index 2a1069f01c0..3b691f0b6ae 100644
--- a/mol_dqn/experimental/optimize_weight_noise.py
+++ b/mol_dqn/experimental/optimize_weight_noise.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/experimental/target_logp.py b/mol_dqn/experimental/target_logp.py
index 77b4bde6de1..bed047e30bf 100644
--- a/mol_dqn/experimental/target_logp.py
+++ b/mol_dqn/experimental/target_logp.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mol_dqn/plot/plot.py b/mol_dqn/plot/plot.py
index 9acdcdac5bf..34ca44940b2 100644
--- a/mol_dqn/plot/plot.py
+++ b/mol_dqn/plot/plot.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moment_advice/moment_advice.py b/moment_advice/moment_advice.py
index 969b630be08..7ce9230da09 100644
--- a/moment_advice/moment_advice.py
+++ b/moment_advice/moment_advice.py
@@ -1,5 +1,5 @@
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-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/moment_advice/run.sh b/moment_advice/run.sh
index 3b548ed304f..4e300561a69 100755
--- a/moment_advice/run.sh
+++ b/moment_advice/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/motion_blur/eval/evaluate.py b/motion_blur/eval/evaluate.py
index 0c5028be1ad..a994274ba49 100644
--- a/motion_blur/eval/evaluate.py
+++ b/motion_blur/eval/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/motion_blur/train/dataset.py b/motion_blur/train/dataset.py
index f09097e8f72..1329cca0fa9 100644
--- a/motion_blur/train/dataset.py
+++ b/motion_blur/train/dataset.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/motion_blur/train/estimator.py b/motion_blur/train/estimator.py
index 7af9b0befbe..1b90bfbb5f0 100644
--- a/motion_blur/train/estimator.py
+++ b/motion_blur/train/estimator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/motion_blur/train/network.py b/motion_blur/train/network.py
index 35469e7adf4..4d159bc930e 100644
--- a/motion_blur/train/network.py
+++ b/motion_blur/train/network.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/motion_blur/train/train.py b/motion_blur/train/train.py
index e8e17f942de..0669e6a1d85 100644
--- a/motion_blur/train/train.py
+++ b/motion_blur/train/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/geometry/homography.py b/mpi_extrapolation/geometry/homography.py
index 82a4e7471fb..76ad449a6de 100644
--- a/mpi_extrapolation/geometry/homography.py
+++ b/mpi_extrapolation/geometry/homography.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/geometry/projector.py b/mpi_extrapolation/geometry/projector.py
index 62a3e659331..11e18abafaf 100644
--- a/mpi_extrapolation/geometry/projector.py
+++ b/mpi_extrapolation/geometry/projector.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/geometry/sampling.py b/mpi_extrapolation/geometry/sampling.py
index 9e3e290f503..d2459703fd3 100644
--- a/mpi_extrapolation/geometry/sampling.py
+++ b/mpi_extrapolation/geometry/sampling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/mpi.py b/mpi_extrapolation/mpi.py
index 32da7893183..f0c40a4e1e2 100644
--- a/mpi_extrapolation/mpi.py
+++ b/mpi_extrapolation/mpi.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/nets.py b/mpi_extrapolation/nets.py
index 68aa22d966a..90635e0d1ec 100644
--- a/mpi_extrapolation/nets.py
+++ b/mpi_extrapolation/nets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/predict_mpi_test.py b/mpi_extrapolation/predict_mpi_test.py
index 1d636d00cd0..c76ba6ea632 100644
--- a/mpi_extrapolation/predict_mpi_test.py
+++ b/mpi_extrapolation/predict_mpi_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/mpi_extrapolation/render_sway.py b/mpi_extrapolation/render_sway.py
index b5d7ab4fc50..ad6d181a3ec 100644
--- a/mpi_extrapolation/render_sway.py
+++ b/mpi_extrapolation/render_sway.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/__init__.py b/neutra/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/neutra/__init__.py
+++ b/neutra/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/ebm/ebm_test.py b/neutra/ebm/ebm_test.py
index b92af5fa197..1cca807cad4 100644
--- a/neutra/ebm/ebm_test.py
+++ b/neutra/ebm/ebm_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/ebm/ebm_util.py b/neutra/ebm/ebm_util.py
index 0e63bcfc6e3..91eb16cdc08 100644
--- a/neutra/ebm/ebm_util.py
+++ b/neutra/ebm/ebm_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/ebm/train_ebm.py b/neutra/ebm/train_ebm.py
index 4e7a97d5241..4ded5fc1aba 100644
--- a/neutra/ebm/train_ebm.py
+++ b/neutra/ebm/train_ebm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/gp_reg_pystan.py b/neutra/gp_reg_pystan.py
index 3cb4a389861..e0b5d6431cd 100644
--- a/neutra/gp_reg_pystan.py
+++ b/neutra/gp_reg_pystan.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/logistic_reg_gamma_pystan.py b/neutra/logistic_reg_gamma_pystan.py
index 3dd92a31dff..1e2100dac27 100644
--- a/neutra/logistic_reg_gamma_pystan.py
+++ b/neutra/logistic_reg_gamma_pystan.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/logistic_reg_pystan.py b/neutra/logistic_reg_pystan.py
index e894bea8196..59320e5169f 100644
--- a/neutra/logistic_reg_pystan.py
+++ b/neutra/logistic_reg_pystan.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/neutra.py b/neutra/neutra.py
index 9575d1354b3..906bb25ed25 100644
--- a/neutra/neutra.py
+++ b/neutra/neutra.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/neutra_runner.py b/neutra/neutra_runner.py
index 40ecf43a310..bedd23743bc 100644
--- a/neutra/neutra_runner.py
+++ b/neutra/neutra_runner.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/neutra_test.py b/neutra/neutra_test.py
index 757b148d58d..bca8317580c 100644
--- a/neutra/neutra_test.py
+++ b/neutra/neutra_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/run.sh b/neutra/run.sh
index 723fefe421c..2933917561a 100755
--- a/neutra/run.sh
+++ b/neutra/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/utils.py b/neutra/utils.py
index 1f05274ac7a..3c649f61a2a 100644
--- a/neutra/utils.py
+++ b/neutra/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/vae.py b/neutra/vae.py
index b4e3e35f00e..58a970e6255 100644
--- a/neutra/vae.py
+++ b/neutra/vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/neutra/vae_test.py b/neutra/vae_test.py
index 0e12a934b02..c47d7c113f9 100644
--- a/neutra/vae_test.py
+++ b/neutra/vae_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/nopad_inception_v3_fcn/__init__.py b/nopad_inception_v3_fcn/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/nopad_inception_v3_fcn/__init__.py
+++ b/nopad_inception_v3_fcn/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/nopad_inception_v3_fcn/model.py b/nopad_inception_v3_fcn/model.py
index 393c286132a..16ff39a1e68 100644
--- a/nopad_inception_v3_fcn/model.py
+++ b/nopad_inception_v3_fcn/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/nopad_inception_v3_fcn/run.sh b/nopad_inception_v3_fcn/run.sh
index 2bb39ea7c75..196c983954c 100755
--- a/nopad_inception_v3_fcn/run.sh
+++ b/nopad_inception_v3_fcn/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/nopad_inception_v3_fcn/train.py b/nopad_inception_v3_fcn/train.py
index 130a4782017..bdddff4580f 100644
--- a/nopad_inception_v3_fcn/train.py
+++ b/nopad_inception_v3_fcn/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/__init__.py b/norml/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/norml/__init__.py
+++ b/norml/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/config_maml.py b/norml/config_maml.py
index 8eee8edefcc..799f1b6cbc3 100644
--- a/norml/config_maml.py
+++ b/norml/config_maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/__init__.py b/norml/envs/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/norml/envs/__init__.py
+++ b/norml/envs/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/cartpole_sensor_bias_env.py b/norml/envs/cartpole_sensor_bias_env.py
index 36b1f9942ac..840f672123a 100644
--- a/norml/envs/cartpole_sensor_bias_env.py
+++ b/norml/envs/cartpole_sensor_bias_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/halfcheetah_motor_env.py b/norml/envs/halfcheetah_motor_env.py
index 3b58afd2da0..806d4418491 100644
--- a/norml/envs/halfcheetah_motor_env.py
+++ b/norml/envs/halfcheetah_motor_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/halfcheetah_motor_env_test.py b/norml/envs/halfcheetah_motor_env_test.py
index 46d375ffd9a..c8c0d08a8fe 100644
--- a/norml/envs/halfcheetah_motor_env_test.py
+++ b/norml/envs/halfcheetah_motor_env_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/move_point_env.py b/norml/envs/move_point_env.py
index 4beb9a48781..586109c7250 100644
--- a/norml/envs/move_point_env.py
+++ b/norml/envs/move_point_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/envs/move_point_env_test.py b/norml/envs/move_point_env_test.py
index 7a3cea54a51..7eca4c9b692 100644
--- a/norml/envs/move_point_env_test.py
+++ b/norml/envs/move_point_env_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/eval_maml.py b/norml/eval_maml.py
index 11ff148b3bc..7cbd9f24a3b 100644
--- a/norml/eval_maml.py
+++ b/norml/eval_maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/maml_rl.py b/norml/maml_rl.py
index c966b75461a..eb911db0bc3 100644
--- a/norml/maml_rl.py
+++ b/norml/maml_rl.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/networks.py b/norml/networks.py
index 67bdb4000ce..8838149fa20 100644
--- a/norml/networks.py
+++ b/norml/networks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/networks_test.py b/norml/networks_test.py
index ed6b39c1051..9b43685749e 100644
--- a/norml/networks_test.py
+++ b/norml/networks_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/policies.py b/norml/policies.py
index f3e0da3a998..b103f328630 100644
--- a/norml/policies.py
+++ b/norml/policies.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/policies_test.py b/norml/policies_test.py
index bffbaf807e9..9151430a564 100644
--- a/norml/policies_test.py
+++ b/norml/policies_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/rollout_service.py b/norml/rollout_service.py
index 41431b6023d..77d5a4143bd 100644
--- a/norml/rollout_service.py
+++ b/norml/rollout_service.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/run.sh b/norml/run.sh
index a1fdefe7855..87d136fd710 100755
--- a/norml/run.sh
+++ b/norml/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/tools/__init__.py b/norml/tools/__init__.py
index e77b7167d6d..ab01106a7e2 100644
--- a/norml/tools/__init__.py
+++ b/norml/tools/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/tools/batch_env.py b/norml/tools/batch_env.py
index 4b938e6dfad..44a4a441922 100644
--- a/norml/tools/batch_env.py
+++ b/norml/tools/batch_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/tools/utility.py b/norml/tools/utility.py
index 77ce17fd77a..085964fa7ad 100644
--- a/norml/tools/utility.py
+++ b/norml/tools/utility.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/tools/wrappers.py b/norml/tools/wrappers.py
index f58a114b18a..56f9e3fc011 100644
--- a/norml/tools/wrappers.py
+++ b/norml/tools/wrappers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/norml/train_maml.py b/norml/train_maml.py
index 7d3a86b32db..e4ebc641834 100644
--- a/norml/train_maml.py
+++ b/norml/train_maml.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pangea/index.js b/pangea/index.js
index 66ce0ed70b0..2ec7ae48b8c 100644
--- a/pangea/index.js
+++ b/pangea/index.js
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/playrooms/rooms/playroom/textures/download.sh b/playrooms/rooms/playroom/textures/download.sh
index 2b0e0f7a82d..44f99c46b68 100755
--- a/playrooms/rooms/playroom/textures/download.sh
+++ b/playrooms/rooms/playroom/textures/download.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/__init__.py b/polish/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/polish/__init__.py
+++ b/polish/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/env/__init__.py b/polish/env/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/polish/env/__init__.py
+++ b/polish/env/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/env/env.py b/polish/env/env.py
index 2f549b23aca..f2de019c602 100644
--- a/polish/env/env.py
+++ b/polish/env/env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/env/parallel_env.py b/polish/env/parallel_env.py
index 1987a31196b..7e47553630d 100644
--- a/polish/env/parallel_env.py
+++ b/polish/env/parallel_env.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/mcts/__init__.py b/polish/mcts/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/polish/mcts/__init__.py
+++ b/polish/mcts/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/mcts/mcts_node.py b/polish/mcts/mcts_node.py
index de0df5b1542..2f8a79cb59a 100644
--- a/polish/mcts/mcts_node.py
+++ b/polish/mcts/mcts_node.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/mcts/mcts_player.py b/polish/mcts/mcts_player.py
index abb3124fdab..0a55a367e46 100644
--- a/polish/mcts/mcts_player.py
+++ b/polish/mcts/mcts_player.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/__init__.py b/polish/ppo/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/polish/ppo/__init__.py
+++ b/polish/ppo/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/ppo_input_fn.py b/polish/ppo/ppo_input_fn.py
index ab3a9429ee3..642a15e8e47 100644
--- a/polish/ppo/ppo_input_fn.py
+++ b/polish/ppo/ppo_input_fn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/ppo_loss.py b/polish/ppo/ppo_loss.py
index e6afc7f8ecb..5a4a951f1f4 100644
--- a/polish/ppo/ppo_loss.py
+++ b/polish/ppo/ppo_loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/ppo_model_fn.py b/polish/ppo/ppo_model_fn.py
index 9fcad867f10..ae7bc48d86d 100644
--- a/polish/ppo/ppo_model_fn.py
+++ b/polish/ppo/ppo_model_fn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/ppo_trainer.py b/polish/ppo/ppo_trainer.py
index 955621217e5..1a3bcb218b4 100644
--- a/polish/ppo/ppo_trainer.py
+++ b/polish/ppo/ppo_trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/ppo/train.py b/polish/ppo/train.py
index 6e3c34ebcc3..0d1d5866dd3 100644
--- a/polish/ppo/train.py
+++ b/polish/ppo/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/run.sh b/polish/run.sh
index e6aa5bce17f..e02775ad18b 100644
--- a/polish/run.sh
+++ b/polish/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/__init__.py b/polish/utils/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/polish/utils/__init__.py
+++ b/polish/utils/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/directory_handling.py b/polish/utils/directory_handling.py
index 418bd29eb7a..24d788eb862 100644
--- a/polish/utils/directory_handling.py
+++ b/polish/utils/directory_handling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/distributions.py b/polish/utils/distributions.py
index ea16101de62..49263e56036 100644
--- a/polish/utils/distributions.py
+++ b/polish/utils/distributions.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/host_call_fn.py b/polish/utils/host_call_fn.py
index 1c479507647..e938d428183 100644
--- a/polish/utils/host_call_fn.py
+++ b/polish/utils/host_call_fn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/math_utils.py b/polish/utils/math_utils.py
index aa6bfa5e123..52df5dba39b 100644
--- a/polish/utils/math_utils.py
+++ b/polish/utils/math_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/performance.py b/polish/utils/performance.py
index 80310a1be67..339e12f68ec 100644
--- a/polish/utils/performance.py
+++ b/polish/utils/performance.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/running_mean_std.py b/polish/utils/running_mean_std.py
index 49ed6b0eebf..80214ecdef9 100644
--- a/polish/utils/running_mean_std.py
+++ b/polish/utils/running_mean_std.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/tf_initializers.py b/polish/utils/tf_initializers.py
index 0908f9ee8e9..d2201184bad 100644
--- a/polish/utils/tf_initializers.py
+++ b/polish/utils/tf_initializers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/tf_layers.py b/polish/utils/tf_layers.py
index 8f2fac190e7..da1fba13a86 100644
--- a/polish/utils/tf_layers.py
+++ b/polish/utils/tf_layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/polish/utils/tf_utils.py b/polish/utils/tf_utils.py
index f26d2cf26b7..b32ca6890f4 100644
--- a/polish/utils/tf_utils.py
+++ b/polish/utils/tf_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/poly_kernel_sketch/common.py b/poly_kernel_sketch/common.py
index f302a4a4bba..bfc0621310c 100644
--- a/poly_kernel_sketch/common.py
+++ b/poly_kernel_sketch/common.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/poly_kernel_sketch/run.sh b/poly_kernel_sketch/run.sh
index a8657aa952e..d456d7bf46f 100755
--- a/poly_kernel_sketch/run.sh
+++ b/poly_kernel_sketch/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/poly_kernel_sketch/sketch_mnist.py b/poly_kernel_sketch/sketch_mnist.py
index 8fb814ec4fa..eba5384f6cb 100644
--- a/poly_kernel_sketch/sketch_mnist.py
+++ b/poly_kernel_sketch/sketch_mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/probabilistic_vqvae/__init__.py b/probabilistic_vqvae/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/probabilistic_vqvae/__init__.py
+++ b/probabilistic_vqvae/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/probabilistic_vqvae/mnist_experiments.py b/probabilistic_vqvae/mnist_experiments.py
index 9922f5210e1..2b53d11a54f 100644
--- a/probabilistic_vqvae/mnist_experiments.py
+++ b/probabilistic_vqvae/mnist_experiments.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/probabilistic_vqvae/run.sh b/probabilistic_vqvae/run.sh
index e68bac6dceb..5994dc63579 100755
--- a/probabilistic_vqvae/run.sh
+++ b/probabilistic_vqvae/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/run.sh b/property_linking/run.sh
index a6375d255ba..3318bc3ac6e 100755
--- a/property_linking/run.sh
+++ b/property_linking/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/add_i.py b/property_linking/scripts/add_i.py
index 9f4d5b652da..5743194b8c3 100644
--- a/property_linking/scripts/add_i.py
+++ b/property_linking/scripts/add_i.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/add_scored_links.py b/property_linking/scripts/add_scored_links.py
index 90d87306b88..f3fc8db6cad 100644
--- a/property_linking/scripts/add_scored_links.py
+++ b/property_linking/scripts/add_scored_links.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/fbjson_to_wdtsv.py b/property_linking/scripts/fbjson_to_wdtsv.py
index b689a214821..42bbf147f01 100644
--- a/property_linking/scripts/fbjson_to_wdtsv.py
+++ b/property_linking/scripts/fbjson_to_wdtsv.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/histogram.py b/property_linking/scripts/histogram.py
index e3621ff373c..73e752347ea 100644
--- a/property_linking/scripts/histogram.py
+++ b/property_linking/scripts/histogram.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/overlap.py b/property_linking/scripts/overlap.py
index abdc6a6081e..400896baadd 100644
--- a/property_linking/scripts/overlap.py
+++ b/property_linking/scripts/overlap.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/preproc_all.sh b/property_linking/scripts/preproc_all.sh
index e2696f94d7c..f73cc504309 100755
--- a/property_linking/scripts/preproc_all.sh
+++ b/property_linking/scripts/preproc_all.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/preprocessing/closure_inference.py b/property_linking/scripts/preprocessing/closure_inference.py
index 7f0f19a43eb..00553e2c0ec 100644
--- a/property_linking/scripts/preprocessing/closure_inference.py
+++ b/property_linking/scripts/preprocessing/closure_inference.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/preprocessing/labeler.py b/property_linking/scripts/preprocessing/labeler.py
index 4c25dff6c8e..61657081984 100644
--- a/property_linking/scripts/preprocessing/labeler.py
+++ b/property_linking/scripts/preprocessing/labeler.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/preprocessing/property_linking_data_collector.py b/property_linking/scripts/preprocessing/property_linking_data_collector.py
index e238f400c19..d9b60a76b86 100644
--- a/property_linking/scripts/preprocessing/property_linking_data_collector.py
+++ b/property_linking/scripts/preprocessing/property_linking_data_collector.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/prune_entity.py b/property_linking/scripts/prune_entity.py
index 22f2b5df389..97d620047a2 100644
--- a/property_linking/scripts/prune_entity.py
+++ b/property_linking/scripts/prune_entity.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/reduce_names.py b/property_linking/scripts/reduce_names.py
index 81d85853c4d..f33763469f3 100644
--- a/property_linking/scripts/reduce_names.py
+++ b/property_linking/scripts/reduce_names.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/restrict_to_choi.py b/property_linking/scripts/restrict_to_choi.py
index a1328b65c0e..a8e2ee429ab 100644
--- a/property_linking/scripts/restrict_to_choi.py
+++ b/property_linking/scripts/restrict_to_choi.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/synthetic_data/conform_to_wd.py b/property_linking/scripts/synthetic_data/conform_to_wd.py
index 7cb2b130d93..fef0c8a09bf 100644
--- a/property_linking/scripts/synthetic_data/conform_to_wd.py
+++ b/property_linking/scripts/synthetic_data/conform_to_wd.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/synthetic_data/make_cats.py b/property_linking/scripts/synthetic_data/make_cats.py
index 1766862f27a..9f1f3361d84 100644
--- a/property_linking/scripts/synthetic_data/make_cats.py
+++ b/property_linking/scripts/synthetic_data/make_cats.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/synthetic_data/make_kb.py b/property_linking/scripts/synthetic_data/make_kb.py
index a5f2211ae99..60789d3dafd 100644
--- a/property_linking/scripts/synthetic_data/make_kb.py
+++ b/property_linking/scripts/synthetic_data/make_kb.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/synthetic_data/make_names.py b/property_linking/scripts/synthetic_data/make_names.py
index 028c595c850..56e312395a7 100644
--- a/property_linking/scripts/synthetic_data/make_names.py
+++ b/property_linking/scripts/synthetic_data/make_names.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/scripts/wordcounts.py b/property_linking/scripts/wordcounts.py
index 5a5726dc409..2e9cccc59ab 100644
--- a/property_linking/scripts/wordcounts.py
+++ b/property_linking/scripts/wordcounts.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/bert_util.py b/property_linking/src/bert_util.py
index 52cc0706e03..ae58eeb5dbd 100644
--- a/property_linking/src/bert_util.py
+++ b/property_linking/src/bert_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/kb.py b/property_linking/src/kb.py
index fb0b485bd79..41402533196 100644
--- a/property_linking/src/kb.py
+++ b/property_linking/src/kb.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/model.py b/property_linking/src/model.py
index 76baaecee3a..53a84bf3153 100644
--- a/property_linking/src/model.py
+++ b/property_linking/src/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/property_linker.py b/property_linking/src/property_linker.py
index a278bbe0282..3fcd6167ea4 100644
--- a/property_linking/src/property_linker.py
+++ b/property_linking/src/property_linker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/trainer.py b/property_linking/src/trainer.py
index 60c4defa092..ab2d08eb085 100644
--- a/property_linking/src/trainer.py
+++ b/property_linking/src/trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/property_linking/src/util.py b/property_linking/src/util.py
index 7bd92bb9f7b..b9790ef541b 100644
--- a/property_linking/src/util.py
+++ b/property_linking/src/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/input_data.py b/protoattend/input_data.py
index 81ccd5829cf..2e00769b3d4 100644
--- a/protoattend/input_data.py
+++ b/protoattend/input_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/main_protoattend.py b/protoattend/main_protoattend.py
index 7846793c9c1..d119cabd77b 100644
--- a/protoattend/main_protoattend.py
+++ b/protoattend/main_protoattend.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/model.py b/protoattend/model.py
index f9dcc6c13db..a15abce0bcc 100644
--- a/protoattend/model.py
+++ b/protoattend/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/options.py b/protoattend/options.py
index e8d6e377cca..b986b5be5b8 100644
--- a/protoattend/options.py
+++ b/protoattend/options.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/run.sh b/protoattend/run.sh
index 2bffd308a1e..5c9830a246e 100644
--- a/protoattend/run.sh
+++ b/protoattend/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/protoattend/utils.py b/protoattend/utils.py
index 3e5e8c6bb12..5ca56235fac 100644
--- a/protoattend/utils.py
+++ b/protoattend/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/__init__.py b/pruning_identified_exemplars/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/pruning_identified_exemplars/__init__.py
+++ b/pruning_identified_exemplars/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/per_class_accuracy/aggregate_ckpt_metrics.py b/pruning_identified_exemplars/per_class_accuracy/aggregate_ckpt_metrics.py
index ddc811df64b..d20dd233f68 100644
--- a/pruning_identified_exemplars/per_class_accuracy/aggregate_ckpt_metrics.py
+++ b/pruning_identified_exemplars/per_class_accuracy/aggregate_ckpt_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/per_class_accuracy/gen_tstatistic.py b/pruning_identified_exemplars/per_class_accuracy/gen_tstatistic.py
index 347e0149164..b95682d4b3f 100644
--- a/pruning_identified_exemplars/per_class_accuracy/gen_tstatistic.py
+++ b/pruning_identified_exemplars/per_class_accuracy/gen_tstatistic.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/pie_dataset_gen/aggregate_predictions.py b/pruning_identified_exemplars/pie_dataset_gen/aggregate_predictions.py
index a415a38204a..fdf3c44ee8f 100644
--- a/pruning_identified_exemplars/pie_dataset_gen/aggregate_predictions.py
+++ b/pruning_identified_exemplars/pie_dataset_gen/aggregate_predictions.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/pie_dataset_gen/generate_pie_dataset.py b/pruning_identified_exemplars/pie_dataset_gen/generate_pie_dataset.py
index 9de06c3862f..8ce0eec151a 100644
--- a/pruning_identified_exemplars/pie_dataset_gen/generate_pie_dataset.py
+++ b/pruning_identified_exemplars/pie_dataset_gen/generate_pie_dataset.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/pie_dataset_gen/imagenet_predictions.py b/pruning_identified_exemplars/pie_dataset_gen/imagenet_predictions.py
index e1489532a15..257888e063e 100644
--- a/pruning_identified_exemplars/pie_dataset_gen/imagenet_predictions.py
+++ b/pruning_identified_exemplars/pie_dataset_gen/imagenet_predictions.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/robustness_tests/imagenet_corruptions.py b/pruning_identified_exemplars/robustness_tests/imagenet_corruptions.py
index 4497def7093..49e2b47962e 100644
--- a/pruning_identified_exemplars/robustness_tests/imagenet_corruptions.py
+++ b/pruning_identified_exemplars/robustness_tests/imagenet_corruptions.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/run.sh b/pruning_identified_exemplars/run.sh
index 1af4bd1185c..832ed5285d6 100755
--- a/pruning_identified_exemplars/run.sh
+++ b/pruning_identified_exemplars/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/save_checkpoint/imagenet_train_eval.py b/pruning_identified_exemplars/save_checkpoint/imagenet_train_eval.py
index 1b23b0555c6..4e7051b28e7 100644
--- a/pruning_identified_exemplars/save_checkpoint/imagenet_train_eval.py
+++ b/pruning_identified_exemplars/save_checkpoint/imagenet_train_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/utils/class_level_metrics.py b/pruning_identified_exemplars/utils/class_level_metrics.py
index 7d14c120cc6..1b95445ae10 100644
--- a/pruning_identified_exemplars/utils/class_level_metrics.py
+++ b/pruning_identified_exemplars/utils/class_level_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/utils/data_input.py b/pruning_identified_exemplars/utils/data_input.py
index f503bb0ab9b..57f98410ad2 100644
--- a/pruning_identified_exemplars/utils/data_input.py
+++ b/pruning_identified_exemplars/utils/data_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/utils/model_utils.py b/pruning_identified_exemplars/utils/model_utils.py
index 2dec9ae088d..5ec2c73668e 100644
--- a/pruning_identified_exemplars/utils/model_utils.py
+++ b/pruning_identified_exemplars/utils/model_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/utils/preprocessing_helper.py b/pruning_identified_exemplars/utils/preprocessing_helper.py
index 8ee39de0d41..6ff38ae7937 100644
--- a/pruning_identified_exemplars/utils/preprocessing_helper.py
+++ b/pruning_identified_exemplars/utils/preprocessing_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/pruning_identified_exemplars/utils/resnet_model.py b/pruning_identified_exemplars/utils/resnet_model.py
index dc72568cbcb..e6a5a9e5dc8 100644
--- a/pruning_identified_exemplars/utils/resnet_model.py
+++ b/pruning_identified_exemplars/utils/resnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/examples/asymmetric.py b/psycholab/examples/asymmetric.py
index 0f45e9a292e..09137f64931 100644
--- a/psycholab/examples/asymmetric.py
+++ b/psycholab/examples/asymmetric.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/examples/compromise.py b/psycholab/examples/compromise.py
index 006f6c21fc5..bb69b13c18b 100644
--- a/psycholab/examples/compromise.py
+++ b/psycholab/examples/compromise.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/examples/coordination.py b/psycholab/examples/coordination.py
index a7f2500c72a..cd7cc79f03a 100644
--- a/psycholab/examples/coordination.py
+++ b/psycholab/examples/coordination.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/examples/prisoners_dilemma.py b/psycholab/examples/prisoners_dilemma.py
index f72e63331fd..c74f3435ab0 100644
--- a/psycholab/examples/prisoners_dilemma.py
+++ b/psycholab/examples/prisoners_dilemma.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/examples/temptation.py b/psycholab/examples/temptation.py
index fed02f4dcd7..6454ba0d979 100644
--- a/psycholab/examples/temptation.py
+++ b/psycholab/examples/temptation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/game.py b/psycholab/game.py
index e753006ae59..c108594f9f8 100644
--- a/psycholab/game.py
+++ b/psycholab/game.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/game_test.py b/psycholab/game_test.py
index 0b776ea6a6f..272af4d3529 100644
--- a/psycholab/game_test.py
+++ b/psycholab/game_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/run.sh b/psycholab/run.sh
index 5c0153a23ce..61a3f5c040b 100755
--- a/psycholab/run.sh
+++ b/psycholab/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/psycholab/visualizer.py b/psycholab/visualizer.py
index 00033831657..947b4295c95 100644
--- a/psycholab/visualizer.py
+++ b/psycholab/visualizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/__init__.py b/qanet/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/qanet/__init__.py
+++ b/qanet/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/data/__init__.py b/qanet/data/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/qanet/data/__init__.py
+++ b/qanet/data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/data/tf_data_pipeline.py b/qanet/data/tf_data_pipeline.py
index a71fa3a768e..770106c6d1a 100644
--- a/qanet/data/tf_data_pipeline.py
+++ b/qanet/data/tf_data_pipeline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/data/tf_data_pipeline_test.py b/qanet/data/tf_data_pipeline_test.py
index d8494047ef1..3fb77abf426 100644
--- a/qanet/data/tf_data_pipeline_test.py
+++ b/qanet/data/tf_data_pipeline_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/embedding.py b/qanet/embedding.py
index 6bb7d8c2031..afd7cc6792d 100644
--- a/qanet/embedding.py
+++ b/qanet/embedding.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/experiment.py b/qanet/experiment.py
index 5b1aae01068..0a32f12a5fb 100644
--- a/qanet/experiment.py
+++ b/qanet/experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/infer.py b/qanet/infer.py
index a141822837a..e6cfcd981ea 100644
--- a/qanet/infer.py
+++ b/qanet/infer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/model_base.py b/qanet/model_base.py
index 7b9d690e451..b27af653ad1 100644
--- a/qanet/model_base.py
+++ b/qanet/model_base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/optimizers.py b/qanet/optimizers.py
index 3452d6c670b..a56190e5af3 100644
--- a/qanet/optimizers.py
+++ b/qanet/optimizers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/qanet_model.py b/qanet/qanet_model.py
index 2cadae1b8f9..889f30d32a7 100644
--- a/qanet/qanet_model.py
+++ b/qanet/qanet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/squad_data.py b/qanet/squad_data.py
index 2126e7a1997..d4a1c6e5bbd 100644
--- a/qanet/squad_data.py
+++ b/qanet/squad_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/squad_helper.py b/qanet/squad_helper.py
index b4d5e19a0d8..2558fa0e0f7 100644
--- a/qanet/squad_helper.py
+++ b/qanet/squad_helper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/squad_helper_test.py b/qanet/squad_helper_test.py
index 84b0aaad999..a10ea010edc 100644
--- a/qanet/squad_helper_test.py
+++ b/qanet/squad_helper_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/train.py b/qanet/train.py
index f51bc8566c9..6303912a2a6 100644
--- a/qanet/train.py
+++ b/qanet/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/__init__.py b/qanet/util/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/qanet/util/__init__.py
+++ b/qanet/util/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/configurable.py b/qanet/util/configurable.py
index eac2e883aad..ef66879a1ab 100644
--- a/qanet/util/configurable.py
+++ b/qanet/util/configurable.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/configurable_test.py b/qanet/util/configurable_test.py
index 103e96fd096..f312f232de7 100644
--- a/qanet/util/configurable_test.py
+++ b/qanet/util/configurable_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/evaluator_util.py b/qanet/util/evaluator_util.py
index f967366619a..5982af6452a 100644
--- a/qanet/util/evaluator_util.py
+++ b/qanet/util/evaluator_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/misc_util.py b/qanet/util/misc_util.py
index 8d23e75248a..0344b79fc90 100644
--- a/qanet/util/misc_util.py
+++ b/qanet/util/misc_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/prepro_util.py b/qanet/util/prepro_util.py
index 995439fca64..dc5c1f34352 100644
--- a/qanet/util/prepro_util.py
+++ b/qanet/util/prepro_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/tokenizer_util.py b/qanet/util/tokenizer_util.py
index c62fd3ca4ee..f9f77187f21 100644
--- a/qanet/util/tokenizer_util.py
+++ b/qanet/util/tokenizer_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/qanet/util/tokenizer_util_test.py b/qanet/util/tokenizer_util_test.py
index 6f1e1cd04b0..bcf0da88763 100644
--- a/qanet/util/tokenizer_util_test.py
+++ b/qanet/util/tokenizer_util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/r4r/__init__.py b/r4r/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/r4r/__init__.py
+++ b/r4r/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/r4r/cls.py b/r4r/cls.py
index b0f2a5ab5e4..504116e1dfc 100644
--- a/r4r/cls.py
+++ b/r4r/cls.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/r4r/dtw.py b/r4r/dtw.py
index 05b27bfeb04..82f135221dc 100644
--- a/r4r/dtw.py
+++ b/r4r/dtw.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/r4r/graph_utils.py b/r4r/graph_utils.py
index 922499ec233..cd9565e2bec 100644
--- a/r4r/graph_utils.py
+++ b/r4r/graph_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/r4r/r4r_generate_data.py b/r4r/r4r_generate_data.py
index f7865e03081..8711439a70d 100755
--- a/r4r/r4r_generate_data.py
+++ b/r4r/r4r_generate_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/recursive_optimizer/__init__.py b/recursive_optimizer/__init__.py
index 939c36ccf66..c35590c3bdc 100644
--- a/recursive_optimizer/__init__.py
+++ b/recursive_optimizer/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/recursive_optimizer/recursive_optimizer.py b/recursive_optimizer/recursive_optimizer.py
index bd756950344..64479399acd 100644
--- a/recursive_optimizer/recursive_optimizer.py
+++ b/recursive_optimizer/recursive_optimizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/recursive_optimizer/run.sh b/recursive_optimizer/run.sh
index 89baeb5872a..f0b55457eb6 100755
--- a/recursive_optimizer/run.sh
+++ b/recursive_optimizer/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/recursive_optimizer/synthetic_experiment.py b/recursive_optimizer/synthetic_experiment.py
index 2cfdaf7d6be..70c3d498db4 100644
--- a/recursive_optimizer/synthetic_experiment.py
+++ b/recursive_optimizer/synthetic_experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/recursive_optimizer/synthetic_experiment.sh b/recursive_optimizer/synthetic_experiment.sh
index b790af7f228..d88278988d2 100644
--- a/recursive_optimizer/synthetic_experiment.sh
+++ b/recursive_optimizer/synthetic_experiment.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/__init__.py b/resolve_ref_exp_elements_ml/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/resolve_ref_exp_elements_ml/__init__.py
+++ b/resolve_ref_exp_elements_ml/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/common.py b/resolve_ref_exp_elements_ml/common.py
index 65f32db6b6e..23a1d453e34 100644
--- a/resolve_ref_exp_elements_ml/common.py
+++ b/resolve_ref_exp_elements_ml/common.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/__init__.py b/resolve_ref_exp_elements_ml/deeplab/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/resolve_ref_exp_elements_ml/deeplab/__init__.py
+++ b/resolve_ref_exp_elements_ml/deeplab/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/feature_extractor.py b/resolve_ref_exp_elements_ml/deeplab/feature_extractor.py
index 363b838522b..22cbab4b5dd 100644
--- a/resolve_ref_exp_elements_ml/deeplab/feature_extractor.py
+++ b/resolve_ref_exp_elements_ml/deeplab/feature_extractor.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/mobilenet/__init__.py b/resolve_ref_exp_elements_ml/deeplab/mobilenet/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/resolve_ref_exp_elements_ml/deeplab/mobilenet/__init__.py
+++ b/resolve_ref_exp_elements_ml/deeplab/mobilenet/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/mobilenet/conv_blocks.py b/resolve_ref_exp_elements_ml/deeplab/mobilenet/conv_blocks.py
index f3c768d20d9..0e37c19761b 100644
--- a/resolve_ref_exp_elements_ml/deeplab/mobilenet/conv_blocks.py
+++ b/resolve_ref_exp_elements_ml/deeplab/mobilenet/conv_blocks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet.py b/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet.py
index fe73121797a..4e858ed35ca 100644
--- a/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet.py
+++ b/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet_v2.py b/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet_v2.py
index ea3365df175..50894b59fc5 100644
--- a/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet_v2.py
+++ b/resolve_ref_exp_elements_ml/deeplab/mobilenet/mobilenet_v2.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/preprocess_utils.py b/resolve_ref_exp_elements_ml/deeplab/preprocess_utils.py
index 3b50ad9b9e6..f0bcfe95f90 100644
--- a/resolve_ref_exp_elements_ml/deeplab/preprocess_utils.py
+++ b/resolve_ref_exp_elements_ml/deeplab/preprocess_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/save_annotation.py b/resolve_ref_exp_elements_ml/deeplab/save_annotation.py
index 0ed26565489..8a20435b7e2 100644
--- a/resolve_ref_exp_elements_ml/deeplab/save_annotation.py
+++ b/resolve_ref_exp_elements_ml/deeplab/save_annotation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/deeplab/train_utils.py b/resolve_ref_exp_elements_ml/deeplab/train_utils.py
index 8d4a03560aa..d9cff92a197 100644
--- a/resolve_ref_exp_elements_ml/deeplab/train_utils.py
+++ b/resolve_ref_exp_elements_ml/deeplab/train_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/elements_embeddings.py b/resolve_ref_exp_elements_ml/elements_embeddings.py
index 09ad6835e4f..45a52e92d1a 100644
--- a/resolve_ref_exp_elements_ml/elements_embeddings.py
+++ b/resolve_ref_exp_elements_ml/elements_embeddings.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/eval.py b/resolve_ref_exp_elements_ml/eval.py
index 328ec98dcfb..d43a2337149 100644
--- a/resolve_ref_exp_elements_ml/eval.py
+++ b/resolve_ref_exp_elements_ml/eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/model.py b/resolve_ref_exp_elements_ml/model.py
index a1998b206cf..dbbd21ed15a 100644
--- a/resolve_ref_exp_elements_ml/model.py
+++ b/resolve_ref_exp_elements_ml/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/model_input.py b/resolve_ref_exp_elements_ml/model_input.py
index fad4d8275db..96a36a9fb45 100644
--- a/resolve_ref_exp_elements_ml/model_input.py
+++ b/resolve_ref_exp_elements_ml/model_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/train.py b/resolve_ref_exp_elements_ml/train.py
index 891373821f1..15317f56971 100644
--- a/resolve_ref_exp_elements_ml/train.py
+++ b/resolve_ref_exp_elements_ml/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/resolve_ref_exp_elements_ml/visualize.py b/resolve_ref_exp_elements_ml/visualize.py
index 39c157163cf..7f5c99ca13c 100644
--- a/resolve_ref_exp_elements_ml/visualize.py
+++ b/resolve_ref_exp_elements_ml/visualize.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/architecture.py b/rl4circopt/architecture.py
index ca00dad8f2a..85c7e6290f7 100644
--- a/rl4circopt/architecture.py
+++ b/rl4circopt/architecture.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/architecture_test.py b/rl4circopt/architecture_test.py
index 35965a48885..ba713a55b6d 100644
--- a/rl4circopt/architecture_test.py
+++ b/rl4circopt/architecture_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/circuit.py b/rl4circopt/circuit.py
index df42c15d82d..933e0b94d40 100644
--- a/rl4circopt/circuit.py
+++ b/rl4circopt/circuit.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/circuit_test.py b/rl4circopt/circuit_test.py
index 2b4ed3bde9b..4e80ec071c2 100644
--- a/rl4circopt/circuit_test.py
+++ b/rl4circopt/circuit_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/cirq_converter.py b/rl4circopt/cirq_converter.py
index a8ca3b49a37..a9fb8256f67 100644
--- a/rl4circopt/cirq_converter.py
+++ b/rl4circopt/cirq_converter.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/cirq_converter_test.py b/rl4circopt/cirq_converter_test.py
index bfbd9e9d4da..a1413033bac 100644
--- a/rl4circopt/cirq_converter_test.py
+++ b/rl4circopt/cirq_converter_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/hello_circuit.py b/rl4circopt/hello_circuit.py
index aad13c36658..32aac2cc84f 100644
--- a/rl4circopt/hello_circuit.py
+++ b/rl4circopt/hello_circuit.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/parsing.py b/rl4circopt/parsing.py
index 26177338ebf..827f6beee5d 100644
--- a/rl4circopt/parsing.py
+++ b/rl4circopt/parsing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/rules.py b/rl4circopt/rules.py
index 997485bac07..25844aadc65 100644
--- a/rl4circopt/rules.py
+++ b/rl4circopt/rules.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/rules_test.py b/rl4circopt/rules_test.py
index d7a696e9ad3..c02f1ca3797 100644
--- a/rl4circopt/rules_test.py
+++ b/rl4circopt/rules_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/run.sh b/rl4circopt/run.sh
index 225dd391edd..edcee8702cf 100644
--- a/rl4circopt/run.sh
+++ b/rl4circopt/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/transform.py b/rl4circopt/transform.py
index 624e20bfd9f..8f46ae46a51 100644
--- a/rl4circopt/transform.py
+++ b/rl4circopt/transform.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rl4circopt/transform_test.py b/rl4circopt/transform_test.py
index 712564d8afb..7b43596f733 100644
--- a/rl4circopt/transform_test.py
+++ b/rl4circopt/transform_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/data_loading.py b/rllim/data_loading.py
index 462089dae82..01a712bdfee 100644
--- a/rllim/data_loading.py
+++ b/rllim/data_loading.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/main_local_dynamics_recovery.py b/rllim/main_local_dynamics_recovery.py
index a7602406eed..173bd6440b3 100644
--- a/rllim/main_local_dynamics_recovery.py
+++ b/rllim/main_local_dynamics_recovery.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/main_rllim_on_real_data.py b/rllim/main_rllim_on_real_data.py
index 2e20d16b97b..50ec6ff666a 100644
--- a/rllim/main_rllim_on_real_data.py
+++ b/rllim/main_rllim_on_real_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/rllim.py b/rllim/rllim.py
index c0e922a506d..8f04b5d969d 100644
--- a/rllim/rllim.py
+++ b/rllim/rllim.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/rllim_metrics.py b/rllim/rllim_metrics.py
index 044eee78622..1130106d00a 100644
--- a/rllim/rllim_metrics.py
+++ b/rllim/rllim_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/rllim_test.py b/rllim/rllim_test.py
index 2c31a6a73a3..7207bdbe563 100644
--- a/rllim/rllim_test.py
+++ b/rllim/rllim_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rllim/run.sh b/rllim/run.sh
index ae0e28b88d5..4c001bc34a5 100755
--- a/rllim/run.sh
+++ b/rllim/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/adaptive.py b/robust_loss/adaptive.py
index 322be04ffdf..286074e89b4 100644
--- a/robust_loss/adaptive.py
+++ b/robust_loss/adaptive.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/adaptive_test.py b/robust_loss/adaptive_test.py
index 415dcbad61a..81d1799db4c 100644
--- a/robust_loss/adaptive_test.py
+++ b/robust_loss/adaptive_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/cubic_spline.py b/robust_loss/cubic_spline.py
index f8e525de632..b47f8097908 100644
--- a/robust_loss/cubic_spline.py
+++ b/robust_loss/cubic_spline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/cubic_spline_test.py b/robust_loss/cubic_spline_test.py
index dca2cc94a68..b197c6d807e 100644
--- a/robust_loss/cubic_spline_test.py
+++ b/robust_loss/cubic_spline_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/distribution.py b/robust_loss/distribution.py
index 7e1d48539ea..0c74d869222 100644
--- a/robust_loss/distribution.py
+++ b/robust_loss/distribution.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/distribution_test.py b/robust_loss/distribution_test.py
index f3ff59027f8..53209486dab 100644
--- a/robust_loss/distribution_test.py
+++ b/robust_loss/distribution_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/fit_partition_spline.py b/robust_loss/fit_partition_spline.py
index e9e80e56a74..1afe7a4296e 100644
--- a/robust_loss/fit_partition_spline.py
+++ b/robust_loss/fit_partition_spline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/fit_partition_spline_test.py b/robust_loss/fit_partition_spline_test.py
index 68fe0e01f0b..289f58c0ee4 100644
--- a/robust_loss/fit_partition_spline_test.py
+++ b/robust_loss/fit_partition_spline_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/general.py b/robust_loss/general.py
index 8d6688630ef..88d1d5283d6 100644
--- a/robust_loss/general.py
+++ b/robust_loss/general.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/general_test.py b/robust_loss/general_test.py
index 01a4bb571b3..5de0e935399 100644
--- a/robust_loss/general_test.py
+++ b/robust_loss/general_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/run.sh b/robust_loss/run.sh
index 2c3cb311c47..daf38432f3d 100755
--- a/robust_loss/run.sh
+++ b/robust_loss/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/util.py b/robust_loss/util.py
index da832bc0388..3450371e797 100644
--- a/robust_loss/util.py
+++ b/robust_loss/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/util_test.py b/robust_loss/util_test.py
index fbbeec50c11..87a2380a9ef 100644
--- a/robust_loss/util_test.py
+++ b/robust_loss/util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/vae.py b/robust_loss/vae.py
index f0e8f7cc5a6..c3df53ffc45 100644
--- a/robust_loss/vae.py
+++ b/robust_loss/vae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/wavelet.py b/robust_loss/wavelet.py
index 254f21fbe9b..5dcd74dc37a 100644
--- a/robust_loss/wavelet.py
+++ b/robust_loss/wavelet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/robust_loss/wavelet_test.py b/robust_loss/wavelet_test.py
index de2e950a112..4390d4d9a0e 100644
--- a/robust_loss/wavelet_test.py
+++ b/robust_loss/wavelet_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/__init__.py b/rouge/__init__.py
index 122de214f6c..40821125b29 100644
--- a/rouge/__init__.py
+++ b/rouge/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/create_pyrouge_files.py b/rouge/create_pyrouge_files.py
index cd7ecda9424..d335f874635 100644
--- a/rouge/create_pyrouge_files.py
+++ b/rouge/create_pyrouge_files.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/io.py b/rouge/io.py
index 450f2a82b50..ab63bb41ff8 100644
--- a/rouge/io.py
+++ b/rouge/io.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/io_test.py b/rouge/io_test.py
index 2ddd95c9cb2..32c4ff6dcbb 100644
--- a/rouge/io_test.py
+++ b/rouge/io_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/rouge.py b/rouge/rouge.py
index c316e23287f..e35be45c892 100644
--- a/rouge/rouge.py
+++ b/rouge/rouge.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/rouge_scorer.py b/rouge/rouge_scorer.py
index 725246ba830..c57f1a2b761 100644
--- a/rouge/rouge_scorer.py
+++ b/rouge/rouge_scorer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/rouge_scorer_test.py b/rouge/rouge_scorer_test.py
index c23c22b8043..5665b70dce7 100644
--- a/rouge/rouge_scorer_test.py
+++ b/rouge/rouge_scorer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/run.sh b/rouge/run.sh
index 7befa2909d4..812e56ecb1c 100755
--- a/rouge/run.sh
+++ b/rouge/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/scoring.py b/rouge/scoring.py
index 1e30f43f957..5df9ed276f2 100644
--- a/rouge/scoring.py
+++ b/rouge/scoring.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/scoring_test.py b/rouge/scoring_test.py
index 84996e03f2c..b1d6c74e1fb 100644
--- a/rouge/scoring_test.py
+++ b/rouge/scoring_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/test_util.py b/rouge/test_util.py
index 5ab4c73d53f..690470f8bf4 100644
--- a/rouge/test_util.py
+++ b/rouge/test_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/tokenize.py b/rouge/tokenize.py
index f84d71d3a7d..21ac5313cc7 100644
--- a/rouge/tokenize.py
+++ b/rouge/tokenize.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/rouge/tokenize_test.py b/rouge/tokenize_test.py
index 9685602cc16..1ebd9965385 100644
--- a/rouge/tokenize_test.py
+++ b/rouge/tokenize_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/__init__.py b/saccader/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/saccader/__init__.py
+++ b/saccader/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/data_provider.py b/saccader/data_provider.py
index 6e90ab74804..8cebec12898 100644
--- a/saccader/data_provider.py
+++ b/saccader/data_provider.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/data_provider_test.py b/saccader/data_provider_test.py
index c6e4b44c040..d353151a8ca 100644
--- a/saccader/data_provider_test.py
+++ b/saccader/data_provider_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/feedforward/bagnet_config.py b/saccader/feedforward/bagnet_config.py
index 443b83d9c4d..82794f03680 100644
--- a/saccader/feedforward/bagnet_config.py
+++ b/saccader/feedforward/bagnet_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/feedforward/bagnet_model.py b/saccader/feedforward/bagnet_model.py
index b0c66daadd5..58cd3725c8b 100644
--- a/saccader/feedforward/bagnet_model.py
+++ b/saccader/feedforward/bagnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/feedforward/bagnet_model_test.py b/saccader/feedforward/bagnet_model_test.py
index b4be10bd093..61d72a51665 100644
--- a/saccader/feedforward/bagnet_model_test.py
+++ b/saccader/feedforward/bagnet_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/losses.py b/saccader/losses.py
index f092eef8cd2..7d549a04b78 100644
--- a/saccader/losses.py
+++ b/saccader/losses.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/losses_test.py b/saccader/losses_test.py
index f9257c1e2ac..1608f086079 100644
--- a/saccader/losses_test.py
+++ b/saccader/losses_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/model_utils.py b/saccader/model_utils.py
index 389a9c84a1e..9c5d337061d 100644
--- a/saccader/model_utils.py
+++ b/saccader/model_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/model_utils_test.py b/saccader/model_utils_test.py
index 1ff7065ef82..730b63ac0de 100644
--- a/saccader/model_utils_test.py
+++ b/saccader/model_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/utils.py b/saccader/utils.py
index edb87f3ec7a..0ae7eac9dfa 100644
--- a/saccader/utils.py
+++ b/saccader/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/utils_test.py b/saccader/utils_test.py
index 9f5cd16be1d..83f0c76c59b 100644
--- a/saccader/utils_test.py
+++ b/saccader/utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/classification_model.py b/saccader/visual_attention/classification_model.py
index 64088d12a85..c615361b804 100644
--- a/saccader/visual_attention/classification_model.py
+++ b/saccader/visual_attention/classification_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/classification_model_test.py b/saccader/visual_attention/classification_model_test.py
index a0aa64e876a..80f21fbc38e 100644
--- a/saccader/visual_attention/classification_model_test.py
+++ b/saccader/visual_attention/classification_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/dram.py b/saccader/visual_attention/dram.py
index 758017e8c9e..9871b431fbf 100644
--- a/saccader/visual_attention/dram.py
+++ b/saccader/visual_attention/dram.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/dram_config.py b/saccader/visual_attention/dram_config.py
index 54720cdd7d2..6a611a4b429 100644
--- a/saccader/visual_attention/dram_config.py
+++ b/saccader/visual_attention/dram_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/dram_test.py b/saccader/visual_attention/dram_test.py
index fa1373077f7..dc2dd27f23e 100644
--- a/saccader/visual_attention/dram_test.py
+++ b/saccader/visual_attention/dram_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/emission_model.py b/saccader/visual_attention/emission_model.py
index 7082804fbea..02a2e54ff77 100644
--- a/saccader/visual_attention/emission_model.py
+++ b/saccader/visual_attention/emission_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/emission_model_test.py b/saccader/visual_attention/emission_model_test.py
index 4bd15ee6a26..0de8d56f838 100644
--- a/saccader/visual_attention/emission_model_test.py
+++ b/saccader/visual_attention/emission_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/glimpse_model.py b/saccader/visual_attention/glimpse_model.py
index 3d9a48ba056..6709fc8fffa 100644
--- a/saccader/visual_attention/glimpse_model.py
+++ b/saccader/visual_attention/glimpse_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/glimpse_model_test.py b/saccader/visual_attention/glimpse_model_test.py
index d1ccd971464..40b779e67db 100644
--- a/saccader/visual_attention/glimpse_model_test.py
+++ b/saccader/visual_attention/glimpse_model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader.py b/saccader/visual_attention/saccader.py
index f614d8908b0..ce549e7b7eb 100644
--- a/saccader/visual_attention/saccader.py
+++ b/saccader/visual_attention/saccader.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader_classnet.py b/saccader/visual_attention/saccader_classnet.py
index 79d1a9dca27..f706e140b32 100644
--- a/saccader/visual_attention/saccader_classnet.py
+++ b/saccader/visual_attention/saccader_classnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader_classnet_config.py b/saccader/visual_attention/saccader_classnet_config.py
index f1d87c5e106..ceb8502b457 100644
--- a/saccader/visual_attention/saccader_classnet_config.py
+++ b/saccader/visual_attention/saccader_classnet_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader_classnet_test.py b/saccader/visual_attention/saccader_classnet_test.py
index 2e6e0f27911..b98c9668fa5 100644
--- a/saccader/visual_attention/saccader_classnet_test.py
+++ b/saccader/visual_attention/saccader_classnet_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader_config.py b/saccader/visual_attention/saccader_config.py
index 86cac70ae2a..e63e38a0866 100644
--- a/saccader/visual_attention/saccader_config.py
+++ b/saccader/visual_attention/saccader_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/saccader/visual_attention/saccader_test.py b/saccader/visual_attention/saccader_test.py
index 8ab386452e0..00771c2a9b6 100644
--- a/saccader/visual_attention/saccader_test.py
+++ b/saccader/visual_attention/saccader_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/__init__.py b/safemrl/__init__.py
index 122de214f6c..40821125b29 100644
--- a/safemrl/__init__.py
+++ b/safemrl/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/algorithm/__init__.py b/safemrl/algorithm/__init__.py
index 122de214f6c..40821125b29 100644
--- a/safemrl/algorithm/__init__.py
+++ b/safemrl/algorithm/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/algorithm/agents.py b/safemrl/algorithm/agents.py
index 08d392e1b3c..0e3315b61dd 100644
--- a/safemrl/algorithm/agents.py
+++ b/safemrl/algorithm/agents.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/algorithm/safe_sac_agent.py b/safemrl/algorithm/safe_sac_agent.py
index efd67575cb9..b269c590b12 100644
--- a/safemrl/algorithm/safe_sac_agent.py
+++ b/safemrl/algorithm/safe_sac_agent.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/envs/__init__.py b/safemrl/envs/__init__.py
index 69feb0b616a..db547e1c6df 100644
--- a/safemrl/envs/__init__.py
+++ b/safemrl/envs/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/envs/gridworld.py b/safemrl/envs/gridworld.py
index bcc142c3fd5..2fefd593abf 100644
--- a/safemrl/envs/gridworld.py
+++ b/safemrl/envs/gridworld.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/envs/minitaur.py b/safemrl/envs/minitaur.py
index 4be7e5d0536..63c38825175 100644
--- a/safemrl/envs/minitaur.py
+++ b/safemrl/envs/minitaur.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/envs/point_mass.py b/safemrl/envs/point_mass.py
index 2f412bbad64..f4978bfd3ab 100644
--- a/safemrl/envs/point_mass.py
+++ b/safemrl/envs/point_mass.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/envs/walker2d.py b/safemrl/envs/walker2d.py
index c6624ae7752..2d5e577f79c 100644
--- a/safemrl/envs/walker2d.py
+++ b/safemrl/envs/walker2d.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/train.py b/safemrl/train.py
index 230b6706b7a..f8d3c6e9a50 100644
--- a/safemrl/train.py
+++ b/safemrl/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/train_sc.py b/safemrl/train_sc.py
index 34c2269124b..c35844f1946 100644
--- a/safemrl/train_sc.py
+++ b/safemrl/train_sc.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/trainer.py b/safemrl/trainer.py
index cd908e1e8e5..42894c52ef7 100644
--- a/safemrl/trainer.py
+++ b/safemrl/trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/utils/metrics.py b/safemrl/utils/metrics.py
index 4d48db95a26..ed05e3d9b9b 100644
--- a/safemrl/utils/metrics.py
+++ b/safemrl/utils/metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/safemrl/utils/misc.py b/safemrl/utils/misc.py
index ae4974c86b4..252b9c938ef 100644
--- a/safemrl/utils/misc.py
+++ b/safemrl/utils/misc.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/__init__.py b/schema_guided_dst/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/schema_guided_dst/__init__.py
+++ b/schema_guided_dst/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/__init__.py b/schema_guided_dst/baseline/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/schema_guided_dst/baseline/__init__.py
+++ b/schema_guided_dst/baseline/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/bert/__init__.py b/schema_guided_dst/baseline/bert/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/schema_guided_dst/baseline/bert/__init__.py
+++ b/schema_guided_dst/baseline/bert/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/bert/modeling.py b/schema_guided_dst/baseline/bert/modeling.py
index 35d7005711a..f622c66027e 100644
--- a/schema_guided_dst/baseline/bert/modeling.py
+++ b/schema_guided_dst/baseline/bert/modeling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/bert/optimization.py b/schema_guided_dst/baseline/bert/optimization.py
index 3913a47bd9c..d3d25750b25 100644
--- a/schema_guided_dst/baseline/bert/optimization.py
+++ b/schema_guided_dst/baseline/bert/optimization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/bert/tokenization.py b/schema_guided_dst/baseline/bert/tokenization.py
index f023e33cf14..e520ed98c90 100644
--- a/schema_guided_dst/baseline/bert/tokenization.py
+++ b/schema_guided_dst/baseline/bert/tokenization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/data_utils.py b/schema_guided_dst/baseline/data_utils.py
index 2db05a2dbd5..95d40d25beb 100644
--- a/schema_guided_dst/baseline/data_utils.py
+++ b/schema_guided_dst/baseline/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/data_utils_test.py b/schema_guided_dst/baseline/data_utils_test.py
index 5aa9be01497..4a9fce5bcd1 100644
--- a/schema_guided_dst/baseline/data_utils_test.py
+++ b/schema_guided_dst/baseline/data_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/extract_schema_embedding.py b/schema_guided_dst/baseline/extract_schema_embedding.py
index 9ab727e5560..84e5912bdd8 100644
--- a/schema_guided_dst/baseline/extract_schema_embedding.py
+++ b/schema_guided_dst/baseline/extract_schema_embedding.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/pred_utils.py b/schema_guided_dst/baseline/pred_utils.py
index 7b4f9359f6d..1f348efe5b5 100644
--- a/schema_guided_dst/baseline/pred_utils.py
+++ b/schema_guided_dst/baseline/pred_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/baseline/train_and_predict.py b/schema_guided_dst/baseline/train_and_predict.py
index 9086b7f28f3..22083cd0753 100644
--- a/schema_guided_dst/baseline/train_and_predict.py
+++ b/schema_guided_dst/baseline/train_and_predict.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/evaluate.py b/schema_guided_dst/evaluate.py
index 78434a9a5fd..f52674eedee 100644
--- a/schema_guided_dst/evaluate.py
+++ b/schema_guided_dst/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/metrics.py b/schema_guided_dst/metrics.py
index 0e103f2400c..0633256f2fd 100644
--- a/schema_guided_dst/metrics.py
+++ b/schema_guided_dst/metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/metrics_test.py b/schema_guided_dst/metrics_test.py
index 133b9651268..c649628a73d 100644
--- a/schema_guided_dst/metrics_test.py
+++ b/schema_guided_dst/metrics_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/schema_guided_dst/schema.py b/schema_guided_dst/schema.py
index 458d4876ccc..184878db26e 100644
--- a/schema_guided_dst/schema.py
+++ b/schema_guided_dst/schema.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/__init__.py b/simulation_research/tf_risk/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/simulation_research/tf_risk/__init__.py
+++ b/simulation_research/tf_risk/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/controllers.py b/simulation_research/tf_risk/controllers.py
index 738f8463491..2d8ea316a16 100644
--- a/simulation_research/tf_risk/controllers.py
+++ b/simulation_research/tf_risk/controllers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/dynamics.py b/simulation_research/tf_risk/dynamics.py
index caa826ef8bd..f1543c96751 100644
--- a/simulation_research/tf_risk/dynamics.py
+++ b/simulation_research/tf_risk/dynamics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/dynamics_test.py b/simulation_research/tf_risk/dynamics_test.py
index 32e8551c556..70fd364fa0f 100644
--- a/simulation_research/tf_risk/dynamics_test.py
+++ b/simulation_research/tf_risk/dynamics_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/monte_carlo_manager.py b/simulation_research/tf_risk/monte_carlo_manager.py
index f63647310ab..e2199ac12a4 100644
--- a/simulation_research/tf_risk/monte_carlo_manager.py
+++ b/simulation_research/tf_risk/monte_carlo_manager.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/monte_carlo_manager_test.py b/simulation_research/tf_risk/monte_carlo_manager_test.py
index d44f9bfdf7c..a71ebf34919 100644
--- a/simulation_research/tf_risk/monte_carlo_manager_test.py
+++ b/simulation_research/tf_risk/monte_carlo_manager_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/payoffs.py b/simulation_research/tf_risk/payoffs.py
index a8c1a4fc427..6fdb848419d 100644
--- a/simulation_research/tf_risk/payoffs.py
+++ b/simulation_research/tf_risk/payoffs.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/payoffs_test.py b/simulation_research/tf_risk/payoffs_test.py
index 7e31a10b150..8fb5de92fc5 100644
--- a/simulation_research/tf_risk/payoffs_test.py
+++ b/simulation_research/tf_risk/payoffs_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/risk_metrics.py b/simulation_research/tf_risk/risk_metrics.py
index 3f23885bcbd..c21890c3b33 100644
--- a/simulation_research/tf_risk/risk_metrics.py
+++ b/simulation_research/tf_risk/risk_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/risk_metrics_test.py b/simulation_research/tf_risk/risk_metrics_test.py
index c73dae0f6a7..05bf53be3e1 100644
--- a/simulation_research/tf_risk/risk_metrics_test.py
+++ b/simulation_research/tf_risk/risk_metrics_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/run_replication_experiment.py b/simulation_research/tf_risk/run_replication_experiment.py
index f8ec05f8844..32162ab3e66 100644
--- a/simulation_research/tf_risk/run_replication_experiment.py
+++ b/simulation_research/tf_risk/run_replication_experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/util.py b/simulation_research/tf_risk/util.py
index 30829f189b8..c54aec34f60 100644
--- a/simulation_research/tf_risk/util.py
+++ b/simulation_research/tf_risk/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/simulation_research/tf_risk/util_test.py b/simulation_research/tf_risk/util_test.py
index 7e9c0599e3f..00a8d4a573b 100644
--- a/simulation_research/tf_risk/util_test.py
+++ b/simulation_research/tf_risk/util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sketching/countmin.cc b/sketching/countmin.cc
index 51a2903d026..0f4816b5c04 100644
--- a/sketching/countmin.cc
+++ b/sketching/countmin.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/countmin.h b/sketching/countmin.h
index 1747562662f..0c5b6f3186c 100644
--- a/sketching/countmin.h
+++ b/sketching/countmin.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/countmin_test.cc b/sketching/countmin_test.cc
index 9d98d3b049a..1271c12b15f 100644
--- a/sketching/countmin_test.cc
+++ b/sketching/countmin_test.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/frequent.cc b/sketching/frequent.cc
index 11df664feea..e06c28f004a 100644
--- a/sketching/frequent.cc
+++ b/sketching/frequent.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/frequent.h b/sketching/frequent.h
index 30d498100ea..77422578def 100644
--- a/sketching/frequent.h
+++ b/sketching/frequent.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/frequent_test.cc b/sketching/frequent_test.cc
index 80885ad994a..9c43080e7bd 100644
--- a/sketching/frequent_test.cc
+++ b/sketching/frequent_test.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/lossy_count.cc b/sketching/lossy_count.cc
index 212e331f4a9..cd0210e6f29 100644
--- a/sketching/lossy_count.cc
+++ b/sketching/lossy_count.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/lossy_count.h b/sketching/lossy_count.h
index 9a583bb2f57..10ccc654dc8 100644
--- a/sketching/lossy_count.h
+++ b/sketching/lossy_count.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/lossy_weight.cc b/sketching/lossy_weight.cc
index 3c487793968..9536d0f5a13 100644
--- a/sketching/lossy_weight.cc
+++ b/sketching/lossy_weight.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/lossy_weight.h b/sketching/lossy_weight.h
index 48511ccc080..696e489ea83 100644
--- a/sketching/lossy_weight.h
+++ b/sketching/lossy_weight.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/lossy_weight_test.cc b/sketching/lossy_weight_test.cc
index db0b3986e99..8656e6d036c 100644
--- a/sketching/lossy_weight_test.cc
+++ b/sketching/lossy_weight_test.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/run_sketches.cc b/sketching/run_sketches.cc
index c316fa56b91..ffbb2f0ee73 100644
--- a/sketching/run_sketches.cc
+++ b/sketching/run_sketches.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/sketch.h b/sketching/sketch.h
index 97046245fef..7c5674df595 100644
--- a/sketching/sketch.h
+++ b/sketching/sketch.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/utils.cc b/sketching/utils.cc
index 33d469eb7de..03f28f213da 100644
--- a/sketching/utils.cc
+++ b/sketching/utils.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sketching/utils.h b/sketching/utils.h
index 4a420ea8fd7..608667caede 100644
--- a/sketching/utils.h
+++ b/sketching/utils.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sm3/run.sh b/sm3/run.sh
index 2f98fd4bb1b..6128569cabb 100755
--- a/sm3/run.sh
+++ b/sm3/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sm3/sm3.py b/sm3/sm3.py
index a2182505b07..273a011b4a3 100644
--- a/sm3/sm3.py
+++ b/sm3/sm3.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sm3/sm3_test.py b/sm3/sm3_test.py
index 944851d3a01..8d389482c79 100644
--- a/sm3/sm3_test.py
+++ b/sm3/sm3_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/ops.py b/soft_sort/jax/ops.py
index b86615ba5d5..1c8607bfee4 100644
--- a/soft_sort/jax/ops.py
+++ b/soft_sort/jax/ops.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/ops_test.py b/soft_sort/jax/ops_test.py
index c8745d7831d..127cd00977a 100644
--- a/soft_sort/jax/ops_test.py
+++ b/soft_sort/jax/ops_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/sinkhorn.py b/soft_sort/jax/sinkhorn.py
index c3e58cbebfa..82cf58178f8 100644
--- a/soft_sort/jax/sinkhorn.py
+++ b/soft_sort/jax/sinkhorn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/sinkhorn_test.py b/soft_sort/jax/sinkhorn_test.py
index 57f8f55cb78..be45cfb9fcc 100644
--- a/soft_sort/jax/sinkhorn_test.py
+++ b/soft_sort/jax/sinkhorn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/soft_quantilizer.py b/soft_sort/jax/soft_quantilizer.py
index bfec2871ebc..b6220f777a7 100644
--- a/soft_sort/jax/soft_quantilizer.py
+++ b/soft_sort/jax/soft_quantilizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/jax/soft_quantilizer_test.py b/soft_sort/jax/soft_quantilizer_test.py
index 0ef1529ba29..caaeb9d11b0 100644
--- a/soft_sort/jax/soft_quantilizer_test.py
+++ b/soft_sort/jax/soft_quantilizer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/layers.py b/soft_sort/layers.py
index e632c15d920..d5c1bcfe93c 100644
--- a/soft_sort/layers.py
+++ b/soft_sort/layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/layers_test.py b/soft_sort/layers_test.py
index 61cb557ec25..d406bd672ba 100644
--- a/soft_sort/layers_test.py
+++ b/soft_sort/layers_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/losses.py b/soft_sort/losses.py
index 225c15cb517..0fd95076437 100644
--- a/soft_sort/losses.py
+++ b/soft_sort/losses.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/losses_test.py b/soft_sort/losses_test.py
index 3dcae0bb84c..866f32ca3bd 100644
--- a/soft_sort/losses_test.py
+++ b/soft_sort/losses_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/metrics.py b/soft_sort/metrics.py
index 317a102de57..cf1ad7cfebe 100644
--- a/soft_sort/metrics.py
+++ b/soft_sort/metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/metrics_test.py b/soft_sort/metrics_test.py
index 229f0ed81d6..496ba701865 100644
--- a/soft_sort/metrics_test.py
+++ b/soft_sort/metrics_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/ops.py b/soft_sort/ops.py
index dbaed154179..7cc3fa9c3d9 100644
--- a/soft_sort/ops.py
+++ b/soft_sort/ops.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/ops_test.py b/soft_sort/ops_test.py
index 6b7c1e52b94..7e979115f71 100644
--- a/soft_sort/ops_test.py
+++ b/soft_sort/ops_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/run.sh b/soft_sort/run.sh
index 870a3ac3b75..d728e9b7dec 100755
--- a/soft_sort/run.sh
+++ b/soft_sort/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/sinkhorn.py b/soft_sort/sinkhorn.py
index 8234365e979..1a6f7ba0575 100644
--- a/soft_sort/sinkhorn.py
+++ b/soft_sort/sinkhorn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/sinkhorn_test.py b/soft_sort/sinkhorn_test.py
index 936a662b466..632ffd697b4 100644
--- a/soft_sort/sinkhorn_test.py
+++ b/soft_sort/sinkhorn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/soft_quantilizer.py b/soft_sort/soft_quantilizer.py
index e2ae9e0d706..a92201b14e6 100644
--- a/soft_sort/soft_quantilizer.py
+++ b/soft_sort/soft_quantilizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/squash.py b/soft_sort/squash.py
index 3eb19ed04b4..fdafb9b8034 100644
--- a/soft_sort/squash.py
+++ b/soft_sort/squash.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/soft_sort/squash_test.py b/soft_sort/squash_test.py
index 832169c517f..52cadb04a4e 100644
--- a/soft_sort/squash_test.py
+++ b/soft_sort/squash_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/run.sh b/solver1d/run.sh
index b7b550eea43..82350ffbbeb 100755
--- a/solver1d/run.sh
+++ b/solver1d/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/setup.py b/solver1d/setup.py
index 43d90808245..5abb1bf202e 100644
--- a/solver1d/setup.py
+++ b/solver1d/setup.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/solver1d/__init__.py b/solver1d/solver1d/__init__.py
index 122de214f6c..40821125b29 100644
--- a/solver1d/solver1d/__init__.py
+++ b/solver1d/solver1d/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/solver1d/scripts/__init__.py b/solver1d/solver1d/scripts/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/solver1d/solver1d/scripts/__init__.py
+++ b/solver1d/solver1d/scripts/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/solver1d/scripts/solve_poschl_teller_potential.py b/solver1d/solver1d/scripts/solve_poschl_teller_potential.py
index 492a4ce165f..862ff4bdb0e 100644
--- a/solver1d/solver1d/scripts/solve_poschl_teller_potential.py
+++ b/solver1d/solver1d/scripts/solve_poschl_teller_potential.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/solver1d/single_electron.py b/solver1d/solver1d/single_electron.py
index bdd07131444..d3a04872bdf 100644
--- a/solver1d/solver1d/single_electron.py
+++ b/solver1d/solver1d/single_electron.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/solver1d/solver1d/single_electron_test.py b/solver1d/solver1d/single_electron_test.py
index 7b9f66d1e89..9bcd6c06bb9 100644
--- a/solver1d/solver1d/single_electron_test.py
+++ b/solver1d/solver1d/single_electron_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/data/__init__.py b/sparse_data/data/__init__.py
index 3be3343670a..f44dadaa1c6 100644
--- a/sparse_data/data/__init__.py
+++ b/sparse_data/data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/data/decomposition.py b/sparse_data/data/decomposition.py
index 50e45631cc5..162315bf719 100644
--- a/sparse_data/data/decomposition.py
+++ b/sparse_data/data/decomposition.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/data/real.py b/sparse_data/data/real.py
index ce05699e082..4501f3d13af 100644
--- a/sparse_data/data/real.py
+++ b/sparse_data/data/real.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/data/sim.py b/sparse_data/data/sim.py
index 5820ff1a2f3..4d193397371 100644
--- a/sparse_data/data/sim.py
+++ b/sparse_data/data/sim.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/data/sim_test.py b/sparse_data/data/sim_test.py
index da7563a7eb1..7b0d533169b 100644
--- a/sparse_data/data/sim_test.py
+++ b/sparse_data/data/sim_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/__init__.py b/sparse_data/exp_framework/__init__.py
index c09a8130611..89ba2f4a70e 100644
--- a/sparse_data/exp_framework/__init__.py
+++ b/sparse_data/exp_framework/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/dnn.py b/sparse_data/exp_framework/dnn.py
index 7655e4e4e47..cc43c7c1900 100644
--- a/sparse_data/exp_framework/dnn.py
+++ b/sparse_data/exp_framework/dnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/dnn_test.py b/sparse_data/exp_framework/dnn_test.py
index 7aecbc2abd5..13c0401d380 100644
--- a/sparse_data/exp_framework/dnn_test.py
+++ b/sparse_data/exp_framework/dnn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/evaluate.py b/sparse_data/exp_framework/evaluate.py
index 1377f179034..e22366a6b98 100644
--- a/sparse_data/exp_framework/evaluate.py
+++ b/sparse_data/exp_framework/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/gbdt.py b/sparse_data/exp_framework/gbdt.py
index f06e2cdbf0e..6017a9e17b5 100644
--- a/sparse_data/exp_framework/gbdt.py
+++ b/sparse_data/exp_framework/gbdt.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/gbdt_test.py b/sparse_data/exp_framework/gbdt_test.py
index 31afc634555..7aaf29c5fa7 100644
--- a/sparse_data/exp_framework/gbdt_test.py
+++ b/sparse_data/exp_framework/gbdt_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/linear.py b/sparse_data/exp_framework/linear.py
index d275be9d97a..07f47170a46 100644
--- a/sparse_data/exp_framework/linear.py
+++ b/sparse_data/exp_framework/linear.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/linear_test.py b/sparse_data/exp_framework/linear_test.py
index 181938c86ee..693274629ec 100644
--- a/sparse_data/exp_framework/linear_test.py
+++ b/sparse_data/exp_framework/linear_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/random_forest.py b/sparse_data/exp_framework/random_forest.py
index 2e8e548b347..d9c705adfbd 100644
--- a/sparse_data/exp_framework/random_forest.py
+++ b/sparse_data/exp_framework/random_forest.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/random_forest_test.py b/sparse_data/exp_framework/random_forest_test.py
index 50d1e8d8f3d..40bdcf8c152 100644
--- a/sparse_data/exp_framework/random_forest_test.py
+++ b/sparse_data/exp_framework/random_forest_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/utils.py b/sparse_data/exp_framework/utils.py
index b512f7107cc..bdefdc3167b 100644
--- a/sparse_data/exp_framework/utils.py
+++ b/sparse_data/exp_framework/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/exp_framework/utils_test.py b/sparse_data/exp_framework/utils_test.py
index 1769f4f59d7..d875f154f5b 100644
--- a/sparse_data/exp_framework/utils_test.py
+++ b/sparse_data/exp_framework/utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/experiment.py b/sparse_data/experiment.py
index 2e3ae0561c2..0e277f59c57 100644
--- a/sparse_data/experiment.py
+++ b/sparse_data/experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/read.sh b/sparse_data/read.sh
index 2fccd16f64c..817881f7048 100755
--- a/sparse_data/read.sh
+++ b/sparse_data/read.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/run.sh b/sparse_data/run.sh
index acc78988260..30aaa6f791a 100644
--- a/sparse_data/run.sh
+++ b/sparse_data/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/tuning_collate.py b/sparse_data/tuning_collate.py
index 8435fb6a41a..891f4b2102e 100644
--- a/sparse_data/tuning_collate.py
+++ b/sparse_data/tuning_collate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/tuning_worker.py b/sparse_data/tuning_worker.py
index d38d0da7139..875e3ed4e52 100644
--- a/sparse_data/tuning_worker.py
+++ b/sparse_data/tuning_worker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sparse_data/utils.py b/sparse_data/utils.py
index af5a0936ccc..13ba5a4f654 100644
--- a/sparse_data/utils.py
+++ b/sparse_data/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/__init__.py b/stacked_capsule_autoencoders/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/stacked_capsule_autoencoders/__init__.py
+++ b/stacked_capsule_autoencoders/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/__init__.py b/stacked_capsule_autoencoders/capsules/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/stacked_capsule_autoencoders/capsules/__init__.py
+++ b/stacked_capsule_autoencoders/capsules/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/attention.py b/stacked_capsule_autoencoders/capsules/attention.py
index 5431b581a03..4cc17205124 100644
--- a/stacked_capsule_autoencoders/capsules/attention.py
+++ b/stacked_capsule_autoencoders/capsules/attention.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/capsule.py b/stacked_capsule_autoencoders/capsules/capsule.py
index d2389b89a8c..3e0a7edcc56 100644
--- a/stacked_capsule_autoencoders/capsules/capsule.py
+++ b/stacked_capsule_autoencoders/capsules/capsule.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/configs/__init__.py b/stacked_capsule_autoencoders/capsules/configs/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/stacked_capsule_autoencoders/capsules/configs/__init__.py
+++ b/stacked_capsule_autoencoders/capsules/configs/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/configs/data_config.py b/stacked_capsule_autoencoders/capsules/configs/data_config.py
index 7c753cef6ba..68c953bf70a 100644
--- a/stacked_capsule_autoencoders/capsules/configs/data_config.py
+++ b/stacked_capsule_autoencoders/capsules/configs/data_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/configs/model_config.py b/stacked_capsule_autoencoders/capsules/configs/model_config.py
index dcda8ae5b03..2b93ac6e77b 100644
--- a/stacked_capsule_autoencoders/capsules/configs/model_config.py
+++ b/stacked_capsule_autoencoders/capsules/configs/model_config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/data/__init__.py b/stacked_capsule_autoencoders/capsules/data/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/stacked_capsule_autoencoders/capsules/data/__init__.py
+++ b/stacked_capsule_autoencoders/capsules/data/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/data/constellation.py b/stacked_capsule_autoencoders/capsules/data/constellation.py
index 538e1b6cee9..026e234ecb4 100644
--- a/stacked_capsule_autoencoders/capsules/data/constellation.py
+++ b/stacked_capsule_autoencoders/capsules/data/constellation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/data/image.py b/stacked_capsule_autoencoders/capsules/data/image.py
index b0583af4e46..85e9066e761 100644
--- a/stacked_capsule_autoencoders/capsules/data/image.py
+++ b/stacked_capsule_autoencoders/capsules/data/image.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/data/preprocess.py b/stacked_capsule_autoencoders/capsules/data/preprocess.py
index 4999d29dc74..4fe07f244ac 100644
--- a/stacked_capsule_autoencoders/capsules/data/preprocess.py
+++ b/stacked_capsule_autoencoders/capsules/data/preprocess.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/data/tfrecords.py b/stacked_capsule_autoencoders/capsules/data/tfrecords.py
index 574b93d7129..7b92660c87d 100644
--- a/stacked_capsule_autoencoders/capsules/data/tfrecords.py
+++ b/stacked_capsule_autoencoders/capsules/data/tfrecords.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/eval.py b/stacked_capsule_autoencoders/capsules/eval.py
index 775600129cb..d9920b08826 100644
--- a/stacked_capsule_autoencoders/capsules/eval.py
+++ b/stacked_capsule_autoencoders/capsules/eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/math_ops.py b/stacked_capsule_autoencoders/capsules/math_ops.py
index 24e4a7c2b04..8d0469c043f 100644
--- a/stacked_capsule_autoencoders/capsules/math_ops.py
+++ b/stacked_capsule_autoencoders/capsules/math_ops.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/models/__init__.py b/stacked_capsule_autoencoders/capsules/models/__init__.py
index f9f95227b83..220dec76fe2 100644
--- a/stacked_capsule_autoencoders/capsules/models/__init__.py
+++ b/stacked_capsule_autoencoders/capsules/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/models/constellation.py b/stacked_capsule_autoencoders/capsules/models/constellation.py
index 90389951122..675c20c9101 100644
--- a/stacked_capsule_autoencoders/capsules/models/constellation.py
+++ b/stacked_capsule_autoencoders/capsules/models/constellation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/models/model.py b/stacked_capsule_autoencoders/capsules/models/model.py
index d35e9bc5a9e..98cb6c9ed59 100644
--- a/stacked_capsule_autoencoders/capsules/models/model.py
+++ b/stacked_capsule_autoencoders/capsules/models/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/models/scae.py b/stacked_capsule_autoencoders/capsules/models/scae.py
index 40d3b37fbaa..da96a53ecca 100644
--- a/stacked_capsule_autoencoders/capsules/models/scae.py
+++ b/stacked_capsule_autoencoders/capsules/models/scae.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/neural.py b/stacked_capsule_autoencoders/capsules/neural.py
index 5b300416ff8..c404d4984ca 100644
--- a/stacked_capsule_autoencoders/capsules/neural.py
+++ b/stacked_capsule_autoencoders/capsules/neural.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/plot.py b/stacked_capsule_autoencoders/capsules/plot.py
index 9beb1eaaa67..0ff6287751b 100644
--- a/stacked_capsule_autoencoders/capsules/plot.py
+++ b/stacked_capsule_autoencoders/capsules/plot.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/primary.py b/stacked_capsule_autoencoders/capsules/primary.py
index a83c5e3165c..71c98d3108e 100644
--- a/stacked_capsule_autoencoders/capsules/primary.py
+++ b/stacked_capsule_autoencoders/capsules/primary.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/prob.py b/stacked_capsule_autoencoders/capsules/prob.py
index 0f06e2521bc..9904a6229b2 100644
--- a/stacked_capsule_autoencoders/capsules/prob.py
+++ b/stacked_capsule_autoencoders/capsules/prob.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/probe.py b/stacked_capsule_autoencoders/capsules/probe.py
index 02222589a3a..be04186e076 100644
--- a/stacked_capsule_autoencoders/capsules/probe.py
+++ b/stacked_capsule_autoencoders/capsules/probe.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/tensor_ops.py b/stacked_capsule_autoencoders/capsules/tensor_ops.py
index 49fddfcf76f..b3656c02710 100644
--- a/stacked_capsule_autoencoders/capsules/tensor_ops.py
+++ b/stacked_capsule_autoencoders/capsules/tensor_ops.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/train/__init__.py b/stacked_capsule_autoencoders/capsules/train/__init__.py
index 9037d9fc596..1b3f0497b2d 100644
--- a/stacked_capsule_autoencoders/capsules/train/__init__.py
+++ b/stacked_capsule_autoencoders/capsules/train/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/train/hooks.py b/stacked_capsule_autoencoders/capsules/train/hooks.py
index 1dddf12030a..763501e9e4d 100644
--- a/stacked_capsule_autoencoders/capsules/train/hooks.py
+++ b/stacked_capsule_autoencoders/capsules/train/hooks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/capsules/train/tools.py b/stacked_capsule_autoencoders/capsules/train/tools.py
index 615005caebf..bded25035e0 100644
--- a/stacked_capsule_autoencoders/capsules/train/tools.py
+++ b/stacked_capsule_autoencoders/capsules/train/tools.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/eval_mnist.sh b/stacked_capsule_autoencoders/eval_mnist.sh
index 59cc7ea1636..5cb506d2e01 100755
--- a/stacked_capsule_autoencoders/eval_mnist.sh
+++ b/stacked_capsule_autoencoders/eval_mnist.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/eval_mnist_coupled.sh b/stacked_capsule_autoencoders/eval_mnist_coupled.sh
index c1071c218e3..fc5d7378083 100755
--- a/stacked_capsule_autoencoders/eval_mnist_coupled.sh
+++ b/stacked_capsule_autoencoders/eval_mnist_coupled.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/eval_mnist_model.py b/stacked_capsule_autoencoders/eval_mnist_model.py
index 488ab2b4e68..8a3e44b1651 100644
--- a/stacked_capsule_autoencoders/eval_mnist_model.py
+++ b/stacked_capsule_autoencoders/eval_mnist_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/run.sh b/stacked_capsule_autoencoders/run.sh
index d7d0638c024..e12f75b4504 100755
--- a/stacked_capsule_autoencoders/run.sh
+++ b/stacked_capsule_autoencoders/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/run_constellation.sh b/stacked_capsule_autoencoders/run_constellation.sh
index 37e17549cbd..86fd7a85a16 100755
--- a/stacked_capsule_autoencoders/run_constellation.sh
+++ b/stacked_capsule_autoencoders/run_constellation.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/run_mnist.sh b/stacked_capsule_autoencoders/run_mnist.sh
index 3110d4ef355..628ec3d78ef 100755
--- a/stacked_capsule_autoencoders/run_mnist.sh
+++ b/stacked_capsule_autoencoders/run_mnist.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/setup_virtualenv.sh b/stacked_capsule_autoencoders/setup_virtualenv.sh
index 124ab886cb7..aabe35cb0c3 100755
--- a/stacked_capsule_autoencoders/setup_virtualenv.sh
+++ b/stacked_capsule_autoencoders/setup_virtualenv.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stacked_capsule_autoencoders/train.py b/stacked_capsule_autoencoders/train.py
index d931f24bfa8..4eefd3888d5 100644
--- a/stacked_capsule_autoencoders/train.py
+++ b/stacked_capsule_autoencoders/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/__init__.py b/state_of_sparsity/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/__init__.py
+++ b/state_of_sparsity/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/checkpoint_sparsity.py b/state_of_sparsity/checkpoint_sparsity.py
index 1e5281f13bf..fbc45aefcad 100644
--- a/state_of_sparsity/checkpoint_sparsity.py
+++ b/state_of_sparsity/checkpoint_sparsity.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/__init__.py b/state_of_sparsity/layers/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/layers/__init__.py
+++ b/state_of_sparsity/layers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/__init__.py b/state_of_sparsity/layers/l0_regularization/__init__.py
index 37ca79d68e0..41a7d252f21 100644
--- a/state_of_sparsity/layers/l0_regularization/__init__.py
+++ b/state_of_sparsity/layers/l0_regularization/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/common.py b/state_of_sparsity/layers/l0_regularization/common.py
index c5f33d18082..16aca93d608 100644
--- a/state_of_sparsity/layers/l0_regularization/common.py
+++ b/state_of_sparsity/layers/l0_regularization/common.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/layers.py b/state_of_sparsity/layers/l0_regularization/layers.py
index 3e751b34889..58364c86e3c 100644
--- a/state_of_sparsity/layers/l0_regularization/layers.py
+++ b/state_of_sparsity/layers/l0_regularization/layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/nn.py b/state_of_sparsity/layers/l0_regularization/nn.py
index 76d36fc6f6b..4e688530b49 100644
--- a/state_of_sparsity/layers/l0_regularization/nn.py
+++ b/state_of_sparsity/layers/l0_regularization/nn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/nn_test.py b/state_of_sparsity/layers/l0_regularization/nn_test.py
index 95c812c6aab..f57e604a92e 100644
--- a/state_of_sparsity/layers/l0_regularization/nn_test.py
+++ b/state_of_sparsity/layers/l0_regularization/nn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/rnn.py b/state_of_sparsity/layers/l0_regularization/rnn.py
index 894ff3e8333..91ea299b527 100644
--- a/state_of_sparsity/layers/l0_regularization/rnn.py
+++ b/state_of_sparsity/layers/l0_regularization/rnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/rnn_test.py b/state_of_sparsity/layers/l0_regularization/rnn_test.py
index 8bc8637d59f..7120cb13306 100644
--- a/state_of_sparsity/layers/l0_regularization/rnn_test.py
+++ b/state_of_sparsity/layers/l0_regularization/rnn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/l0_regularization/test_base.py b/state_of_sparsity/layers/l0_regularization/test_base.py
index 4b716740237..1da7a1dd13f 100644
--- a/state_of_sparsity/layers/l0_regularization/test_base.py
+++ b/state_of_sparsity/layers/l0_regularization/test_base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/utils/__init__.py b/state_of_sparsity/layers/utils/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/layers/utils/__init__.py
+++ b/state_of_sparsity/layers/utils/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/utils/layer_utils.py b/state_of_sparsity/layers/utils/layer_utils.py
index c65ef649d9d..43c9ba7b7f9 100644
--- a/state_of_sparsity/layers/utils/layer_utils.py
+++ b/state_of_sparsity/layers/utils/layer_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/utils/rnn_checks.py b/state_of_sparsity/layers/utils/rnn_checks.py
index 1212b1c99aa..376c526560e 100644
--- a/state_of_sparsity/layers/utils/rnn_checks.py
+++ b/state_of_sparsity/layers/utils/rnn_checks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/utils/test_utils.py b/state_of_sparsity/layers/utils/test_utils.py
index 1113afdf0c2..fe5f37e4dad 100644
--- a/state_of_sparsity/layers/utils/test_utils.py
+++ b/state_of_sparsity/layers/utils/test_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/__init__.py b/state_of_sparsity/layers/variational_dropout/__init__.py
index c890246773a..2511f299adc 100644
--- a/state_of_sparsity/layers/variational_dropout/__init__.py
+++ b/state_of_sparsity/layers/variational_dropout/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/common.py b/state_of_sparsity/layers/variational_dropout/common.py
index 43481136277..296c4cca23a 100644
--- a/state_of_sparsity/layers/variational_dropout/common.py
+++ b/state_of_sparsity/layers/variational_dropout/common.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/common_test.py b/state_of_sparsity/layers/variational_dropout/common_test.py
index 01e63112874..68a36c163c9 100644
--- a/state_of_sparsity/layers/variational_dropout/common_test.py
+++ b/state_of_sparsity/layers/variational_dropout/common_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/layers.py b/state_of_sparsity/layers/variational_dropout/layers.py
index a12d2643fb9..43fd5b7653c 100644
--- a/state_of_sparsity/layers/variational_dropout/layers.py
+++ b/state_of_sparsity/layers/variational_dropout/layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/nn.py b/state_of_sparsity/layers/variational_dropout/nn.py
index 8e23d767c94..6fe257dfb90 100644
--- a/state_of_sparsity/layers/variational_dropout/nn.py
+++ b/state_of_sparsity/layers/variational_dropout/nn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/nn_test.py b/state_of_sparsity/layers/variational_dropout/nn_test.py
index fa3068bd251..5697b1a23ca 100644
--- a/state_of_sparsity/layers/variational_dropout/nn_test.py
+++ b/state_of_sparsity/layers/variational_dropout/nn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/rnn.py b/state_of_sparsity/layers/variational_dropout/rnn.py
index 340a6da5311..05f64239d1b 100644
--- a/state_of_sparsity/layers/variational_dropout/rnn.py
+++ b/state_of_sparsity/layers/variational_dropout/rnn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/rnn_test.py b/state_of_sparsity/layers/variational_dropout/rnn_test.py
index c2b1c78543f..4f94eb090ec 100644
--- a/state_of_sparsity/layers/variational_dropout/rnn_test.py
+++ b/state_of_sparsity/layers/variational_dropout/rnn_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/layers/variational_dropout/test_base.py b/state_of_sparsity/layers/variational_dropout/test_base.py
index 5be02f0fa93..e4977707354 100644
--- a/state_of_sparsity/layers/variational_dropout/test_base.py
+++ b/state_of_sparsity/layers/variational_dropout/test_base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/run.sh b/state_of_sparsity/run.sh
index 5912a1fe2c5..c759f99d3b1 100755
--- a/state_of_sparsity/run.sh
+++ b/state_of_sparsity/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/__init__.py b/state_of_sparsity/sparse_rn50/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/sparse_rn50/__init__.py
+++ b/state_of_sparsity/sparse_rn50/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/evaluate/evaluate_extended_mp.sh b/state_of_sparsity/sparse_rn50/evaluate/evaluate_extended_mp.sh
index e99acd5022c..e5ab93e8852 100644
--- a/state_of_sparsity/sparse_rn50/evaluate/evaluate_extended_mp.sh
+++ b/state_of_sparsity/sparse_rn50/evaluate/evaluate_extended_mp.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/evaluate/evaluate_mp.sh b/state_of_sparsity/sparse_rn50/evaluate/evaluate_mp.sh
index 05a49032d51..7ed8754575b 100644
--- a/state_of_sparsity/sparse_rn50/evaluate/evaluate_mp.sh
+++ b/state_of_sparsity/sparse_rn50/evaluate/evaluate_mp.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/evaluate/evaluate_vd.sh b/state_of_sparsity/sparse_rn50/evaluate/evaluate_vd.sh
index 06fb229cf55..55f8c89cc5f 100644
--- a/state_of_sparsity/sparse_rn50/evaluate/evaluate_vd.sh
+++ b/state_of_sparsity/sparse_rn50/evaluate/evaluate_vd.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/imagenet_input.py b/state_of_sparsity/sparse_rn50/imagenet_input.py
index 50b4169220e..474420ba4c7 100644
--- a/state_of_sparsity/sparse_rn50/imagenet_input.py
+++ b/state_of_sparsity/sparse_rn50/imagenet_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/imagenet_train_eval.py b/state_of_sparsity/sparse_rn50/imagenet_train_eval.py
index d6cd6b6b7f1..8703856e23b 100644
--- a/state_of_sparsity/sparse_rn50/imagenet_train_eval.py
+++ b/state_of_sparsity/sparse_rn50/imagenet_train_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/pruning_layers.py b/state_of_sparsity/sparse_rn50/pruning_layers.py
index eaa7ccc95df..12f7531ca00 100644
--- a/state_of_sparsity/sparse_rn50/pruning_layers.py
+++ b/state_of_sparsity/sparse_rn50/pruning_layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/pruning_layers_test.py b/state_of_sparsity/sparse_rn50/pruning_layers_test.py
index 7a8e4fb8775..01041a434aa 100644
--- a/state_of_sparsity/sparse_rn50/pruning_layers_test.py
+++ b/state_of_sparsity/sparse_rn50/pruning_layers_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/resnet_model.py b/state_of_sparsity/sparse_rn50/resnet_model.py
index 93de58e1005..a916f3fa06d 100644
--- a/state_of_sparsity/sparse_rn50/resnet_model.py
+++ b/state_of_sparsity/sparse_rn50/resnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/resnet_preprocessing.py b/state_of_sparsity/sparse_rn50/resnet_preprocessing.py
index 88c2ae5d719..5815e000518 100644
--- a/state_of_sparsity/sparse_rn50/resnet_preprocessing.py
+++ b/state_of_sparsity/sparse_rn50/resnet_preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_rn50/utils.py b/state_of_sparsity/sparse_rn50/utils.py
index 513e797dc83..699a4dc893c 100644
--- a/state_of_sparsity/sparse_rn50/utils.py
+++ b/state_of_sparsity/sparse_rn50/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/__init__.py b/state_of_sparsity/sparse_transformer/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/sparse_transformer/__init__.py
+++ b/state_of_sparsity/sparse_transformer/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/common_flags.py b/state_of_sparsity/sparse_transformer/common_flags.py
index f0ae86f02e9..d1a2dcf6e8b 100644
--- a/state_of_sparsity/sparse_transformer/common_flags.py
+++ b/state_of_sparsity/sparse_transformer/common_flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/decode/decode_l0.sh b/state_of_sparsity/sparse_transformer/decode/decode_l0.sh
index ac4acdd92af..8e36f46ad60 100644
--- a/state_of_sparsity/sparse_transformer/decode/decode_l0.sh
+++ b/state_of_sparsity/sparse_transformer/decode/decode_l0.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/decode/decode_mp.sh b/state_of_sparsity/sparse_transformer/decode/decode_mp.sh
index 0acc78e0ba4..0f1c8d5ade6 100644
--- a/state_of_sparsity/sparse_transformer/decode/decode_mp.sh
+++ b/state_of_sparsity/sparse_transformer/decode/decode_mp.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/decode/decode_vd.sh b/state_of_sparsity/sparse_transformer/decode/decode_vd.sh
index fdcb95c66de..bc63cb6247b 100644
--- a/state_of_sparsity/sparse_transformer/decode/decode_vd.sh
+++ b/state_of_sparsity/sparse_transformer/decode/decode_vd.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/decode/get_ende_bleu.sh b/state_of_sparsity/sparse_transformer/decode/get_ende_bleu.sh
index 64524f9c21b..7ff58310c24 100644
--- a/state_of_sparsity/sparse_transformer/decode/get_ende_bleu.sh
+++ b/state_of_sparsity/sparse_transformer/decode/get_ende_bleu.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/decoder.py b/state_of_sparsity/sparse_transformer/decoder.py
index 256c7678cef..801b7da4c28 100644
--- a/state_of_sparsity/sparse_transformer/decoder.py
+++ b/state_of_sparsity/sparse_transformer/decoder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/__init__.py b/state_of_sparsity/sparse_transformer/layers/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/sparse_transformer/layers/__init__.py
+++ b/state_of_sparsity/sparse_transformer/layers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/common_init.py b/state_of_sparsity/sparse_transformer/layers/common_init.py
index 002bba40289..2cb4adbaec0 100644
--- a/state_of_sparsity/sparse_transformer/layers/common_init.py
+++ b/state_of_sparsity/sparse_transformer/layers/common_init.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/common_init_test.py b/state_of_sparsity/sparse_transformer/layers/common_init_test.py
index 4d52f2c06a7..34ca379cf2f 100644
--- a/state_of_sparsity/sparse_transformer/layers/common_init_test.py
+++ b/state_of_sparsity/sparse_transformer/layers/common_init_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/common_sparse.py b/state_of_sparsity/sparse_transformer/layers/common_sparse.py
index cdb0e1a1a0d..8ed03a7fcc1 100644
--- a/state_of_sparsity/sparse_transformer/layers/common_sparse.py
+++ b/state_of_sparsity/sparse_transformer/layers/common_sparse.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/sparse_attention.py b/state_of_sparsity/sparse_transformer/layers/sparse_attention.py
index 0bff116ecaa..a1e40443ff3 100644
--- a/state_of_sparsity/sparse_transformer/layers/sparse_attention.py
+++ b/state_of_sparsity/sparse_transformer/layers/sparse_attention.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/sparse_layers.py b/state_of_sparsity/sparse_transformer/layers/sparse_layers.py
index 2451b919e97..7a8ab101cc6 100644
--- a/state_of_sparsity/sparse_transformer/layers/sparse_layers.py
+++ b/state_of_sparsity/sparse_transformer/layers/sparse_layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/sparse_modalities.py b/state_of_sparsity/sparse_transformer/layers/sparse_modalities.py
index 6766166f47c..51ffb81f98c 100644
--- a/state_of_sparsity/sparse_transformer/layers/sparse_modalities.py
+++ b/state_of_sparsity/sparse_transformer/layers/sparse_modalities.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/layers/sparse_transformer_layers.py b/state_of_sparsity/sparse_transformer/layers/sparse_transformer_layers.py
index d871e100c02..6aaf3e4e7f3 100644
--- a/state_of_sparsity/sparse_transformer/layers/sparse_transformer_layers.py
+++ b/state_of_sparsity/sparse_transformer/layers/sparse_transformer_layers.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/models/__init__.py b/state_of_sparsity/sparse_transformer/models/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/sparse_transformer/models/__init__.py
+++ b/state_of_sparsity/sparse_transformer/models/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/models/sparse_model.py b/state_of_sparsity/sparse_transformer/models/sparse_model.py
index e59aa436611..b1d3bfa7592 100644
--- a/state_of_sparsity/sparse_transformer/models/sparse_model.py
+++ b/state_of_sparsity/sparse_transformer/models/sparse_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/models/sparse_transformer.py b/state_of_sparsity/sparse_transformer/models/sparse_transformer.py
index f486172e62f..3d1e146c19b 100644
--- a/state_of_sparsity/sparse_transformer/models/sparse_transformer.py
+++ b/state_of_sparsity/sparse_transformer/models/sparse_transformer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/models/sparse_transformer_test.py b/state_of_sparsity/sparse_transformer/models/sparse_transformer_test.py
index 26cec03c794..97d469b48d6 100644
--- a/state_of_sparsity/sparse_transformer/models/sparse_transformer_test.py
+++ b/state_of_sparsity/sparse_transformer/models/sparse_transformer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/scripts/__init__.py b/state_of_sparsity/sparse_transformer/scripts/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/state_of_sparsity/sparse_transformer/scripts/__init__.py
+++ b/state_of_sparsity/sparse_transformer/scripts/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/scripts/train_l0.sh b/state_of_sparsity/sparse_transformer/scripts/train_l0.sh
index c3681885cbd..a489efd58da 100644
--- a/state_of_sparsity/sparse_transformer/scripts/train_l0.sh
+++ b/state_of_sparsity/sparse_transformer/scripts/train_l0.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/scripts/train_mp.sh b/state_of_sparsity/sparse_transformer/scripts/train_mp.sh
index 8b4ea2dd289..2dcb15bfd82 100644
--- a/state_of_sparsity/sparse_transformer/scripts/train_mp.sh
+++ b/state_of_sparsity/sparse_transformer/scripts/train_mp.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/scripts/train_vd.sh b/state_of_sparsity/sparse_transformer/scripts/train_vd.sh
index fe07fe802f1..b95592663ff 100644
--- a/state_of_sparsity/sparse_transformer/scripts/train_vd.sh
+++ b/state_of_sparsity/sparse_transformer/scripts/train_vd.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/state_of_sparsity/sparse_transformer/trainer.py b/state_of_sparsity/sparse_transformer/trainer.py
index 1edc6b9224e..41f128670d7 100644
--- a/state_of_sparsity/sparse_transformer/trainer.py
+++ b/state_of_sparsity/sparse_transformer/trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stochastic_to_deterministic/hashing.py b/stochastic_to_deterministic/hashing.py
index 4cb6c7568ff..7900742c8ad 100644
--- a/stochastic_to_deterministic/hashing.py
+++ b/stochastic_to_deterministic/hashing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/stochastic_to_deterministic/run.sh b/stochastic_to_deterministic/run.sh
index b5d98f2f857..3db3ca83078 100644
--- a/stochastic_to_deterministic/run.sh
+++ b/stochastic_to_deterministic/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/storm_optimizer/__init__.py b/storm_optimizer/__init__.py
index f02a4ecabee..d4ca397e3c5 100644
--- a/storm_optimizer/__init__.py
+++ b/storm_optimizer/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/storm_optimizer/run.sh b/storm_optimizer/run.sh
index 82a57389dc5..9ccca321af3 100755
--- a/storm_optimizer/run.sh
+++ b/storm_optimizer/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/storm_optimizer/storm_optimizer.py b/storm_optimizer/storm_optimizer.py
index 5c4e5c97a49..85773f307c2 100644
--- a/storm_optimizer/storm_optimizer.py
+++ b/storm_optimizer/storm_optimizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/storm_optimizer/storm_test.py b/storm_optimizer/storm_test.py
index eb8f87cb449..80f251650d7 100644
--- a/storm_optimizer/storm_test.py
+++ b/storm_optimizer/storm_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sufficient_input_subsets/__init__.py b/sufficient_input_subsets/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/sufficient_input_subsets/__init__.py
+++ b/sufficient_input_subsets/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sufficient_input_subsets/run.sh b/sufficient_input_subsets/run.sh
index 6155d6e7aa8..cac583f35c3 100755
--- a/sufficient_input_subsets/run.sh
+++ b/sufficient_input_subsets/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sufficient_input_subsets/sis.py b/sufficient_input_subsets/sis.py
index a2186bdbd97..2234f94d83b 100644
--- a/sufficient_input_subsets/sis.py
+++ b/sufficient_input_subsets/sis.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/sufficient_input_subsets/sis_test.py b/sufficient_input_subsets/sis_test.py
index 30917e3219f..afda7b316a4 100644
--- a/sufficient_input_subsets/sis_test.py
+++ b/sufficient_input_subsets/sis_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/baselines/extractive_baseline.py b/summae/baselines/extractive_baseline.py
index b21318614a7..310ee31994a 100644
--- a/summae/baselines/extractive_baseline.py
+++ b/summae/baselines/extractive_baseline.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/beam_search.py b/summae/beam_search.py
index 69db9df5c82..7a88cf508c3 100644
--- a/summae/beam_search.py
+++ b/summae/beam_search.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/compare_2_models_mturk.html b/summae/compare_2_models_mturk.html
index 56d8ada6561..a22688e000a 100644
--- a/summae/compare_2_models_mturk.html
+++ b/summae/compare_2_models_mturk.html
@@ -1,5 +1,5 @@
 <!--
-   Copyright 2019 The Google Research Authors.
+   Copyright 2020 The Google Research Authors.
   
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/summae/data_util.py b/summae/data_util.py
index eb9ac2eaa5b..e941b0dd0bb 100644
--- a/summae/data_util.py
+++ b/summae/data_util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/generate_data.sh b/summae/generate_data.sh
index 962eadfea1b..81a94e88482 100644
--- a/summae/generate_data.sh
+++ b/summae/generate_data.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/human_and_extractive.py b/summae/human_and_extractive.py
index 84630c3f739..2eea5fc88c4 100644
--- a/summae/human_and_extractive.py
+++ b/summae/human_and_extractive.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/model.py b/summae/model.py
index ae005f20145..c7ffb54b7fe 100644
--- a/summae/model.py
+++ b/summae/model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -29,6 +29,7 @@
 from summae import sample
 from summae import transformer as trf
 from summae import util
+from tensorflow.contrib import layers as contrib_layers
 from tensorflow.python.ops import inplace_ops  # pylint: disable=g-direct-tensorflow-import
 
 # pylint: disable=invalid-name
@@ -161,10 +162,10 @@ def create_perm_label_table(num_s_per_p):
   # perms_as_str = ['012', '021', '102', '120', '201', '210'].
   num_s_per_p_factorial = math.factorial(num_s_per_p)  # 6
   # This table will map each string in perms_as_str to a unique ID 0 ~ 5.
-  return tf.contrib.lookup.HashTable(
+  return tf.lookup.StaticHashTable(
       tf.lookup.KeyValueTensorInitializer(
-          keys=tf.convert_to_tensor(perms_as_str),
-          values=tf.range(num_s_per_p_factorial)), -1)
+          tf.convert_to_tensor(perms_as_str),
+          tf.range(num_s_per_p_factorial)), -1)
 
 
 def shuffle_paragraph_with_labels(s_ids_BxNxL, num_s_per_p):
@@ -1645,7 +1646,7 @@ def minimize(loss, optimizer, global_step, clip_norm):
 def get_adam(learning_rate, use_tpu=False):
   opt = tf.train.AdamOptimizer(learning_rate=learning_rate)
   if use_tpu:
-    opt = tf.contrib.tpu.CrossShardOptimizer(opt)
+    opt = tf.tpu.CrossShardOptimizer(opt)
   return opt
 
 
@@ -1704,7 +1705,7 @@ def dense_layer_with_proj(x_BxSxI, proj_HxO, scope=None, name=''):
         kernel_initializer=tf.truncated_normal_initializer(
             stddev=SMALL_WEIGHTS_SD),
         name=name + '_kernel')
-    x_BSxH = tf.contrib.layers.layer_norm(
+    x_BSxH = contrib_layers.layer_norm(
         x_BSxH, begin_norm_axis=-1, begin_params_axis=-1)
     logits_bias_O = tf.get_variable(
         name=name + '_output_bias',
diff --git a/summae/model_test.py b/summae/model_test.py
index 61d56699de4..c9cf264b4e3 100644
--- a/summae/model_test.py
+++ b/summae/model_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/p2s_eval.py b/summae/p2s_eval.py
index aeaf2f9bb63..892decb1153 100644
--- a/summae/p2s_eval.py
+++ b/summae/p2s_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/p2s_eval_test.py b/summae/p2s_eval_test.py
index 5698e93ce2c..98ddd892529 100644
--- a/summae/p2s_eval_test.py
+++ b/summae/p2s_eval_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/pors.py b/summae/pors.py
index 2a547d70fbb..cccf5baf115 100644
--- a/summae/pors.py
+++ b/summae/pors.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -28,7 +28,8 @@
 from absl import flags
 import six
 from six.moves import range
-import tensorflow as tf  # tf
+import tensorflow.compat.v1 as tf
+import tensorflow_probability as tfp
 
 from summae import model as m
 from summae import p2s_eval
@@ -758,13 +759,16 @@ def model_fn(features, labels, mode, params):
       labels: needed by estimator API, ignored here
       mode: tf estimator mode
       params: dict of hyperparams
+
+    Returns:
+      TPUEstimatorSpec
     """
     loss, train_op, metrics_dict, preds_dict, host_call = pors_model(
         features, params, mode == tf.estimator.ModeKeys.TRAIN, spid_dict)
 
     # Need loss, train_op
     if mode == tf.estimator.ModeKeys.TRAIN:
-      return tf.contrib.tpu.TPUEstimatorSpec(
+      return tf.estimator.tpu.TPUEstimatorSpec(
           mode=mode, loss=loss, train_op=train_op, host_call=host_call)
     elif mode == tf.estimator.ModeKeys.EVAL:
       # We need to use eval_on_tpu=False when creating TPUEstimator for
@@ -775,8 +779,8 @@ def model_fn(features, labels, mode, params):
 
     elif mode == tf.estimator.ModeKeys.PREDICT:
       # Use this mode for auto-regressive decoding.
-      return tf.contrib.tpu.TPUEstimatorSpec(mode,
-                                             predictions=preds_dict)
+      return tf.estimator.tpu.TPUEstimatorSpec(mode,
+                                               predictions=preds_dict)
   return model_fn
 
 
@@ -853,7 +857,7 @@ def input_fn(params):
               x_d,
               # Like x, but shuffled along first dim
               # TODO(peterjliu): Different shuffling schemes.
-              tf.contrib.layers.dense_to_sparse(add_noise(x_d, augment_scheme))
+              tfp.math.dense_to_sparse(add_noise(x_d, augment_scheme))
           )
       )
       dataset = dataset.map(lambda x, x_d, x_r: (
@@ -990,13 +994,13 @@ def main(unused_argv):
     with tf.gfile.Open(hypers_file, 'w') as f:
       json.dump(params, f)
 
-  run_config = tf.contrib.tpu.RunConfig(
+  run_config = tf.estimator.tpu.RunConfig(
       model_dir=FLAGS.model_dir,
       keep_checkpoint_max=0,
       save_checkpoints_steps=FLAGS.checkpoint_steps,
       master=FLAGS.master,
       tpu_config=tpu_config.TPUConfig(iterations_per_loop=1000,))
-  ae_estimator = tf.contrib.tpu.TPUEstimator(
+  ae_estimator = tf.estimator.tpu.TPUEstimator(
       use_tpu=FLAGS.use_tpu,  # If false, like a regular Estimator
       model_fn=get_model_fn(spid_dict),
       config=run_config,
diff --git a/summae/pors_test.py b/summae/pors_test.py
index 92066e34460..ff7d1368595 100644
--- a/summae/pors_test.py
+++ b/summae/pors_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -577,10 +577,10 @@ def test_model_fn_smoke(self, use_tpu, add_critic, encoder_type,
         'max_decode_steps': 2,
         'encoder_type': encoder_type,
     })
-    run_config = tf.contrib.tpu.RunConfig(
+    run_config = tf.estimator.tpu.RunConfig(
         model_dir=self.create_tempdir().full_path, keep_checkpoint_max=10)
 
-    pors_estimator = tf.contrib.tpu.TPUEstimator(
+    pors_estimator = tf.estimator.tpu.TPUEstimator(
         use_tpu=use_tpu,
         config=run_config,
         model_fn=pors.get_model_fn(spid_dict),
diff --git a/summae/process_rocstories.py b/summae/process_rocstories.py
index aa80cbd20b8..281b5e8279c 100644
--- a/summae/process_rocstories.py
+++ b/summae/process_rocstories.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/requirements.txt b/summae/requirements.txt
index 970e0eba40f..7b643640a71 100644
--- a/summae/requirements.txt
+++ b/summae/requirements.txt
@@ -1,2 +1,3 @@
 tensorflow>=1.11.0, <2.0
 rouge-score>=0.0.2
+tensorflow-probability>=0.9
diff --git a/summae/run.sh b/summae/run.sh
index 3b1d07499cd..f1528203e81 100644
--- a/summae/run.sh
+++ b/summae/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/run_locally.sh b/summae/run_locally.sh
index 67ae2da47d6..19b10c612a6 100644
--- a/summae/run_locally.sh
+++ b/summae/run_locally.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/sample.py b/summae/sample.py
index dfd9f763bdf..91df177a92a 100644
--- a/summae/sample.py
+++ b/summae/sample.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/summarize_mturk.html b/summae/summarize_mturk.html
index 93c78e9ca4e..881aafc5a75 100644
--- a/summae/summarize_mturk.html
+++ b/summae/summarize_mturk.html
@@ -1,5 +1,5 @@
 <!--
-   Copyright 2019 The Google Research Authors.
+   Copyright 2020 The Google Research Authors.
   
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/summae/text_encoder.py b/summae/text_encoder.py
index 5a2e8dd83f0..93a810cfa78 100644
--- a/summae/text_encoder.py
+++ b/summae/text_encoder.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/text_encoder_test.py b/summae/text_encoder_test.py
index f219e058d6b..1d96b814af9 100644
--- a/summae/text_encoder_test.py
+++ b/summae/text_encoder_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/tokenizer.py b/summae/tokenizer.py
index be7c62debe1..aef2adaf5e8 100644
--- a/summae/tokenizer.py
+++ b/summae/tokenizer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/tokenizer_test.py b/summae/tokenizer_test.py
index c6d69a10ba0..aede1537ce0 100644
--- a/summae/tokenizer_test.py
+++ b/summae/tokenizer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/transformer.py b/summae/transformer.py
index 510d497ae74..33ad77b2f15 100644
--- a/summae/transformer.py
+++ b/summae/transformer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@
 
 import math
 import tensorflow as tf
+from tensorflow.contrib import layers as contrib_layers
 
 # pylint: disable=invalid-name
 
@@ -166,7 +167,7 @@ class _PreProcess(object):
 
   def __call__(self, inputs):
     with tf.variable_scope("preprocess"):
-      x = tf.contrib.layers.layer_norm(inputs, begin_norm_axis=2)
+      x = contrib_layers.layer_norm(inputs, begin_norm_axis=2)
     return x
 
 
diff --git a/summae/transformer_test.py b/summae/transformer_test.py
index 7e32ab892b7..73aba42d162 100644
--- a/summae/transformer_test.py
+++ b/summae/transformer_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/util.py b/summae/util.py
index 867e415120c..fdff1c0bfe8 100644
--- a/summae/util.py
+++ b/summae/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/util_test.py b/summae/util_test.py
index c5074da5d8a..0d1da6d251e 100644
--- a/summae/util_test.py
+++ b/summae/util_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/summae/verify_data.py b/summae/verify_data.py
index 4b74adf1874..b91a11df9b5 100644
--- a/summae/verify_data.py
+++ b/summae/verify_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/data_helper_covertype.py b/tabnet/data_helper_covertype.py
index d54cd44072e..64c80016eaa 100644
--- a/tabnet/data_helper_covertype.py
+++ b/tabnet/data_helper_covertype.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/download_prepare_covertype.py b/tabnet/download_prepare_covertype.py
index 3275dc862b6..4a0dfb98063 100644
--- a/tabnet/download_prepare_covertype.py
+++ b/tabnet/download_prepare_covertype.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/experiment_covertype.py b/tabnet/experiment_covertype.py
index 73331d2c265..9c12c3d6e82 100644
--- a/tabnet/experiment_covertype.py
+++ b/tabnet/experiment_covertype.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/run.sh b/tabnet/run.sh
index 4b1ba57f637..75346beb83e 100755
--- a/tabnet/run.sh
+++ b/tabnet/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/tabnet_model.py b/tabnet/tabnet_model.py
index 2ec32bc0dc8..b4dae69a746 100644
--- a/tabnet/tabnet_model.py
+++ b/tabnet/tabnet_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tabnet/test_experiment_covertype.py b/tabnet/test_experiment_covertype.py
index 50b4d457dd1..d1ceacb59f9 100644
--- a/tabnet/test_experiment_covertype.py
+++ b/tabnet/test_experiment_covertype.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/__init__.py b/task_specific_learned_opt/__init__.py
index 122de214f6c..40821125b29 100644
--- a/task_specific_learned_opt/__init__.py
+++ b/task_specific_learned_opt/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/base_arch.py b/task_specific_learned_opt/base_arch.py
index d5902d7c88e..d0eb354e24e 100644
--- a/task_specific_learned_opt/base_arch.py
+++ b/task_specific_learned_opt/base_arch.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/base_trainer.py b/task_specific_learned_opt/base_trainer.py
index 5633a4edf19..f2001d63ad6 100644
--- a/task_specific_learned_opt/base_trainer.py
+++ b/task_specific_learned_opt/base_trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/common_trainer.py b/task_specific_learned_opt/common_trainer.py
index 3be244f7fc5..a0de438858a 100644
--- a/task_specific_learned_opt/common_trainer.py
+++ b/task_specific_learned_opt/common_trainer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/custom_getters.py b/task_specific_learned_opt/custom_getters.py
index 118d06f623d..f092bb0face 100644
--- a/task_specific_learned_opt/custom_getters.py
+++ b/task_specific_learned_opt/custom_getters.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/device_utils.py b/task_specific_learned_opt/device_utils.py
index ac1a2cd4bb7..0737df66ad1 100644
--- a/task_specific_learned_opt/device_utils.py
+++ b/task_specific_learned_opt/device_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/es_grad_inv_var.py b/task_specific_learned_opt/es_grad_inv_var.py
index ed505d5bc0f..4aabf270024 100644
--- a/task_specific_learned_opt/es_grad_inv_var.py
+++ b/task_specific_learned_opt/es_grad_inv_var.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/fast_rolling_mlp.py b/task_specific_learned_opt/fast_rolling_mlp.py
index af6bd9722a1..6e91a70c279 100644
--- a/task_specific_learned_opt/fast_rolling_mlp.py
+++ b/task_specific_learned_opt/fast_rolling_mlp.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/py_utils.py b/task_specific_learned_opt/py_utils.py
index dedc13affc1..5f3b026150d 100644
--- a/task_specific_learned_opt/py_utils.py
+++ b/task_specific_learned_opt/py_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/run_chief.py b/task_specific_learned_opt/run_chief.py
index dd55e8564e2..15dece49fae 100644
--- a/task_specific_learned_opt/run_chief.py
+++ b/task_specific_learned_opt/run_chief.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/run_single_eval.py b/task_specific_learned_opt/run_single_eval.py
index a0c9a00f462..d6b1541c67d 100644
--- a/task_specific_learned_opt/run_single_eval.py
+++ b/task_specific_learned_opt/run_single_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/run_worker.py b/task_specific_learned_opt/run_worker.py
index 983ad8139a3..bff0d5e7c71 100644
--- a/task_specific_learned_opt/run_worker.py
+++ b/task_specific_learned_opt/run_worker.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/session_creators.py b/task_specific_learned_opt/session_creators.py
index 203b2192d9a..4e75e0babe9 100644
--- a/task_specific_learned_opt/session_creators.py
+++ b/task_specific_learned_opt/session_creators.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/setup_experiment.py b/task_specific_learned_opt/setup_experiment.py
index 994e4b8744a..f91f0ae163e 100644
--- a/task_specific_learned_opt/setup_experiment.py
+++ b/task_specific_learned_opt/setup_experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/tf_utils.py b/task_specific_learned_opt/tf_utils.py
index 244bf095682..cf370598fca 100644
--- a/task_specific_learned_opt/tf_utils.py
+++ b/task_specific_learned_opt/tf_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/truncated_training.py b/task_specific_learned_opt/truncated_training.py
index c84a688c303..f5b568f9621 100644
--- a/task_specific_learned_opt/truncated_training.py
+++ b/task_specific_learned_opt/truncated_training.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/truncation_strategy.py b/task_specific_learned_opt/truncation_strategy.py
index 870232699bc..7a654ac0ff8 100644
--- a/task_specific_learned_opt/truncation_strategy.py
+++ b/task_specific_learned_opt/truncation_strategy.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/task_specific_learned_opt/utils_arch.py b/task_specific_learned_opt/utils_arch.py
index 1a323b26863..1b0c87c0ab7 100644
--- a/task_specific_learned_opt/utils_arch.py
+++ b/task_specific_learned_opt/utils_arch.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/__init__.py b/tcc/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/__init__.py
+++ b/tcc/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algorithms.py b/tcc/algorithms.py
index 40cc35817d4..1b33861662b 100644
--- a/tcc/algorithms.py
+++ b/tcc/algorithms.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/__init__.py b/tcc/algos/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/algos/__init__.py
+++ b/tcc/algos/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/algorithm.py b/tcc/algos/algorithm.py
index 6123fb58daa..36166d6a08c 100644
--- a/tcc/algos/algorithm.py
+++ b/tcc/algos/algorithm.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/alignment.py b/tcc/algos/alignment.py
index 86abfed5fd1..592936c1592 100644
--- a/tcc/algos/alignment.py
+++ b/tcc/algos/alignment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/alignment_sal_tcn.py b/tcc/algos/alignment_sal_tcn.py
index 310fd4fab76..18cc431a42a 100644
--- a/tcc/algos/alignment_sal_tcn.py
+++ b/tcc/algos/alignment_sal_tcn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/classification.py b/tcc/algos/classification.py
index fab4faae1de..96b8e213be9 100644
--- a/tcc/algos/classification.py
+++ b/tcc/algos/classification.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/sal.py b/tcc/algos/sal.py
index eeb9ddb5b74..3db1b86bf2d 100644
--- a/tcc/algos/sal.py
+++ b/tcc/algos/sal.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/algos/tcn.py b/tcc/algos/tcn.py
index 8c19a0843bf..df838df80a1 100644
--- a/tcc/algos/tcn.py
+++ b/tcc/algos/tcn.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/config.py b/tcc/config.py
index cb445b3f5ce..54caa61bc08 100644
--- a/tcc/config.py
+++ b/tcc/config.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/__init__.py b/tcc/dataset_preparation/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/dataset_preparation/__init__.py
+++ b/tcc/dataset_preparation/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/dataset_utils.py b/tcc/dataset_preparation/dataset_utils.py
index 023f0c914b9..35dd1f8637c 100644
--- a/tcc/dataset_preparation/dataset_utils.py
+++ b/tcc/dataset_preparation/dataset_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/download_pouring_data.sh b/tcc/dataset_preparation/download_pouring_data.sh
index 0021cbaf685..b100abe9fbe 100755
--- a/tcc/dataset_preparation/download_pouring_data.sh
+++ b/tcc/dataset_preparation/download_pouring_data.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/images_to_tfrecords.py b/tcc/dataset_preparation/images_to_tfrecords.py
index e11998d5174..591f4464d70 100644
--- a/tcc/dataset_preparation/images_to_tfrecords.py
+++ b/tcc/dataset_preparation/images_to_tfrecords.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/videos_to_tfrecords.py b/tcc/dataset_preparation/videos_to_tfrecords.py
index a9fe52bf708..c0e6f4cc272 100644
--- a/tcc/dataset_preparation/videos_to_tfrecords.py
+++ b/tcc/dataset_preparation/videos_to_tfrecords.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_preparation/visualize_tfrecords.py b/tcc/dataset_preparation/visualize_tfrecords.py
index 9a38a7d41bb..6a31c24e10d 100644
--- a/tcc/dataset_preparation/visualize_tfrecords.py
+++ b/tcc/dataset_preparation/visualize_tfrecords.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/dataset_splits.py b/tcc/dataset_splits.py
index 8d4ac3dd964..4e3a04ca7a6 100644
--- a/tcc/dataset_splits.py
+++ b/tcc/dataset_splits.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/datasets.py b/tcc/datasets.py
index 465e9a4c631..096b64d914d 100644
--- a/tcc/datasets.py
+++ b/tcc/datasets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluate.py b/tcc/evaluate.py
index 977eadf4c4e..1b7afa40c2f 100644
--- a/tcc/evaluate.py
+++ b/tcc/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/__init__.py b/tcc/evaluation/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/evaluation/__init__.py
+++ b/tcc/evaluation/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/algo_loss.py b/tcc/evaluation/algo_loss.py
index f32bf94f307..5b9d1e0b25c 100644
--- a/tcc/evaluation/algo_loss.py
+++ b/tcc/evaluation/algo_loss.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/classification.py b/tcc/evaluation/classification.py
index 4df715e9820..9bc506bce23 100644
--- a/tcc/evaluation/classification.py
+++ b/tcc/evaluation/classification.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/event_completion.py b/tcc/evaluation/event_completion.py
index ae931af341d..370878db3a0 100644
--- a/tcc/evaluation/event_completion.py
+++ b/tcc/evaluation/event_completion.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/few_shot_classification.py b/tcc/evaluation/few_shot_classification.py
index f3b53e8c100..d46c66d4f91 100644
--- a/tcc/evaluation/few_shot_classification.py
+++ b/tcc/evaluation/few_shot_classification.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/kendalls_tau.py b/tcc/evaluation/kendalls_tau.py
index badf5109fb2..f4f761788b2 100644
--- a/tcc/evaluation/kendalls_tau.py
+++ b/tcc/evaluation/kendalls_tau.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/task.py b/tcc/evaluation/task.py
index 55a425e1dff..224d3d08cb1 100644
--- a/tcc/evaluation/task.py
+++ b/tcc/evaluation/task.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/evaluation/task_utils.py b/tcc/evaluation/task_utils.py
index e0c04dfff8e..e27bc955eee 100644
--- a/tcc/evaluation/task_utils.py
+++ b/tcc/evaluation/task_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/extract_embeddings.py b/tcc/extract_embeddings.py
index 94170c888fb..ed9c35afd15 100644
--- a/tcc/extract_embeddings.py
+++ b/tcc/extract_embeddings.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/models.py b/tcc/models.py
index 08f12dbafc1..471cbc1a5f5 100644
--- a/tcc/models.py
+++ b/tcc/models.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/preprocessors/__init__.py b/tcc/preprocessors/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/preprocessors/__init__.py
+++ b/tcc/preprocessors/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/preprocessors/preprocess_sequence.py b/tcc/preprocessors/preprocess_sequence.py
index e5707323abd..150307db84d 100644
--- a/tcc/preprocessors/preprocess_sequence.py
+++ b/tcc/preprocessors/preprocess_sequence.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/preprocessors/sequence_preprocessor.py b/tcc/preprocessors/sequence_preprocessor.py
index 2b2cdeebd7e..53a702920b7 100644
--- a/tcc/preprocessors/sequence_preprocessor.py
+++ b/tcc/preprocessors/sequence_preprocessor.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/run.sh b/tcc/run.sh
index 305a5b1dfc1..31d2aeb2ed8 100755
--- a/tcc/run.sh
+++ b/tcc/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tasks.py b/tcc/tasks.py
index bc6abbd7275..56a87826e9f 100644
--- a/tcc/tasks.py
+++ b/tcc/tasks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tcc/__init__.py b/tcc/tcc/__init__.py
index 122de214f6c..40821125b29 100644
--- a/tcc/tcc/__init__.py
+++ b/tcc/tcc/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tcc/alignment.py b/tcc/tcc/alignment.py
index 27bf1eb437e..27f6a04212b 100644
--- a/tcc/tcc/alignment.py
+++ b/tcc/tcc/alignment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tcc/deterministic_alignment.py b/tcc/tcc/deterministic_alignment.py
index b692a85f490..3fc7b9fb5f8 100644
--- a/tcc/tcc/deterministic_alignment.py
+++ b/tcc/tcc/deterministic_alignment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tcc/losses.py b/tcc/tcc/losses.py
index 0a2fd7419d1..4235685ce69 100644
--- a/tcc/tcc/losses.py
+++ b/tcc/tcc/losses.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/tcc/stochastic_alignment.py b/tcc/tcc/stochastic_alignment.py
index 507a742ab75..314c22d2b3a 100644
--- a/tcc/tcc/stochastic_alignment.py
+++ b/tcc/tcc/stochastic_alignment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/train.py b/tcc/train.py
index 0112413b558..cd0f5dd4772 100644
--- a/tcc/train.py
+++ b/tcc/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/utils.py b/tcc/utils.py
index 2ce6fbac1a5..087aae5ce10 100644
--- a/tcc/utils.py
+++ b/tcc/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tcc/visualize_alignment.py b/tcc/visualize_alignment.py
index bac3e23a7d4..f6ddc339f62 100644
--- a/tcc/visualize_alignment.py
+++ b/tcc/visualize_alignment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_helpers.cc b/tf_trees/neural_trees_helpers.cc
index 6d1e6413f9f..5c4c05d66db 100644
--- a/tf_trees/neural_trees_helpers.cc
+++ b/tf_trees/neural_trees_helpers.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_helpers.h b/tf_trees/neural_trees_helpers.h
index 72faaadead6..a93a9e0d414 100644
--- a/tf_trees/neural_trees_helpers.h
+++ b/tf_trees/neural_trees_helpers.h
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_kernels.cc b/tf_trees/neural_trees_kernels.cc
index aa9b8443245..01e573f44b7 100644
--- a/tf_trees/neural_trees_kernels.cc
+++ b/tf_trees/neural_trees_kernels.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_layer.py b/tf_trees/neural_trees_layer.py
index cd778b851e1..abeda69174d 100644
--- a/tf_trees/neural_trees_layer.py
+++ b/tf_trees/neural_trees_layer.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_ops.cc b/tf_trees/neural_trees_ops.cc
index fa06ac8f1f9..6a61b75eef0 100644
--- a/tf_trees/neural_trees_ops.cc
+++ b/tf_trees/neural_trees_ops.cc
@@ -1,4 +1,4 @@
-// Copyright 2019 The Google Research Authors.
+// Copyright 2020 The Google Research Authors.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/tf_trees/neural_trees_ops_tests.py b/tf_trees/neural_trees_ops_tests.py
index ac9d1e40c5b..c662eed5d4e 100644
--- a/tf_trees/neural_trees_ops_tests.py
+++ b/tf_trees/neural_trees_ops_tests.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tf_trees/run.sh b/tf_trees/run.sh
index 1559d04a9f6..c6da53f47c8 100644
--- a/tf_trees/run.sh
+++ b/tf_trees/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/__init__.py b/tft/data_formatters/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/tft/data_formatters/__init__.py
+++ b/tft/data_formatters/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/base.py b/tft/data_formatters/base.py
index 0d84290588b..f4ce2764f60 100644
--- a/tft/data_formatters/base.py
+++ b/tft/data_formatters/base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/electricity.py b/tft/data_formatters/electricity.py
index 5642c2a3f21..062a77eb2f0 100644
--- a/tft/data_formatters/electricity.py
+++ b/tft/data_formatters/electricity.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/favorita.py b/tft/data_formatters/favorita.py
index b6dc2cf07ad..2936dfaade9 100644
--- a/tft/data_formatters/favorita.py
+++ b/tft/data_formatters/favorita.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/traffic.py b/tft/data_formatters/traffic.py
index f09d380b2dd..49401e5cc33 100644
--- a/tft/data_formatters/traffic.py
+++ b/tft/data_formatters/traffic.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/data_formatters/volatility.py b/tft/data_formatters/volatility.py
index dd38794cab4..37923a2752d 100644
--- a/tft/data_formatters/volatility.py
+++ b/tft/data_formatters/volatility.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/expt_settings/__init__.py b/tft/expt_settings/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/tft/expt_settings/__init__.py
+++ b/tft/expt_settings/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/expt_settings/configs.py b/tft/expt_settings/configs.py
index 778faef40ec..6389ee5afe2 100644
--- a/tft/expt_settings/configs.py
+++ b/tft/expt_settings/configs.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/libs/__init__.py b/tft/libs/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/tft/libs/__init__.py
+++ b/tft/libs/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/libs/hyperparam_opt.py b/tft/libs/hyperparam_opt.py
index 74063cfc06b..c9bc19e7c63 100644
--- a/tft/libs/hyperparam_opt.py
+++ b/tft/libs/hyperparam_opt.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/libs/tft_model.py b/tft/libs/tft_model.py
index 6903d87140a..427254059a3 100644
--- a/tft/libs/tft_model.py
+++ b/tft/libs/tft_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/libs/utils.py b/tft/libs/utils.py
index 024ae0d5a55..813d4b176a6 100644
--- a/tft/libs/utils.py
+++ b/tft/libs/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/run.sh b/tft/run.sh
index 69938ccc729..13cdb7c2910 100755
--- a/tft/run.sh
+++ b/tft/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/script_download_data.py b/tft/script_download_data.py
index b7a28ca278d..7ab97a00f45 100644
--- a/tft/script_download_data.py
+++ b/tft/script_download_data.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/script_hyperparam_opt.py b/tft/script_hyperparam_opt.py
index ea8270fe39d..60ee924c665 100644
--- a/tft/script_hyperparam_opt.py
+++ b/tft/script_hyperparam_opt.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/tft/script_train_fixed_params.py b/tft/script_train_fixed_params.py
index 6ad57530d8a..84a830ce52a 100644
--- a/tft/script_train_fixed_params.py
+++ b/tft/script_train_fixed_params.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/__init__.py b/towards_gan_benchmarks/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/towards_gan_benchmarks/__init__.py
+++ b/towards_gan_benchmarks/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/__init__.py b/towards_gan_benchmarks/lib/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/towards_gan_benchmarks/lib/__init__.py
+++ b/towards_gan_benchmarks/lib/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/flags.py b/towards_gan_benchmarks/lib/flags.py
index d003959dc68..f774d2cb736 100644
--- a/towards_gan_benchmarks/lib/flags.py
+++ b/towards_gan_benchmarks/lib/flags.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/gan.py b/towards_gan_benchmarks/lib/gan.py
index 039c322b46a..83972ab616a 100644
--- a/towards_gan_benchmarks/lib/gan.py
+++ b/towards_gan_benchmarks/lib/gan.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/logger.py b/towards_gan_benchmarks/lib/logger.py
index 3c358557566..9f96f2fa4e5 100644
--- a/towards_gan_benchmarks/lib/logger.py
+++ b/towards_gan_benchmarks/lib/logger.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/nn_divergence.py b/towards_gan_benchmarks/lib/nn_divergence.py
index cb6365a365f..578417bffca 100644
--- a/towards_gan_benchmarks/lib/nn_divergence.py
+++ b/towards_gan_benchmarks/lib/nn_divergence.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/lib/nn_divergence_test.py b/towards_gan_benchmarks/lib/nn_divergence_test.py
index 8e739f80306..c3aeddd9a6a 100644
--- a/towards_gan_benchmarks/lib/nn_divergence_test.py
+++ b/towards_gan_benchmarks/lib/nn_divergence_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/run.sh b/towards_gan_benchmarks/run.sh
index 92b9020be69..7ccd8e18316 100755
--- a/towards_gan_benchmarks/run.sh
+++ b/towards_gan_benchmarks/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/towards_gan_benchmarks/run_cnn_divergence.py b/towards_gan_benchmarks/run_cnn_divergence.py
index c32ce616d7c..bb97afaf20b 100644
--- a/towards_gan_benchmarks/run_cnn_divergence.py
+++ b/towards_gan_benchmarks/run_cnn_divergence.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/scripts/train.py b/uncertainties/scripts/train.py
index 03f01957d4e..66ab4198efe 100644
--- a/uncertainties/scripts/train.py
+++ b/uncertainties/scripts/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/scripts/train_local.sh b/uncertainties/scripts/train_local.sh
index a8949faca4d..587c56db128 100755
--- a/uncertainties/scripts/train_local.sh
+++ b/uncertainties/scripts/train_local.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/cifar/cifar_input_python.py b/uncertainties/sources/cifar/cifar_input_python.py
index 488f80927e8..7da729104f7 100644
--- a/uncertainties/sources/cifar/cifar_input_python.py
+++ b/uncertainties/sources/cifar/cifar_input_python.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/cifar/features_cifar.py b/uncertainties/sources/cifar/features_cifar.py
index 6f494bce2d6..6cd21cfc33c 100644
--- a/uncertainties/sources/cifar/features_cifar.py
+++ b/uncertainties/sources/cifar/features_cifar.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/cifar/network_cifar.py b/uncertainties/sources/cifar/network_cifar.py
index d299658e4e2..097d62db650 100644
--- a/uncertainties/sources/cifar/network_cifar.py
+++ b/uncertainties/sources/cifar/network_cifar.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/mnist/mnist_input.py b/uncertainties/sources/mnist/mnist_input.py
index 82da99e4e5a..6913a841d23 100644
--- a/uncertainties/sources/mnist/mnist_input.py
+++ b/uncertainties/sources/mnist/mnist_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/mnist/network_mnist.py b/uncertainties/sources/mnist/network_mnist.py
index 7f758f28b09..65189d58468 100644
--- a/uncertainties/sources/mnist/network_mnist.py
+++ b/uncertainties/sources/mnist/network_mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/mnist/train_features_mnist.py b/uncertainties/sources/mnist/train_features_mnist.py
index 05f6b6326e9..81ca2c079ed 100644
--- a/uncertainties/sources/mnist/train_features_mnist.py
+++ b/uncertainties/sources/mnist/train_features_mnist.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/models/bootstrap.py b/uncertainties/sources/models/bootstrap.py
index 83b3f58d3a5..132f880731b 100644
--- a/uncertainties/sources/models/bootstrap.py
+++ b/uncertainties/sources/models/bootstrap.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/models/dropout.py b/uncertainties/sources/models/dropout.py
index 3fc87848137..0dd51e8e341 100644
--- a/uncertainties/sources/models/dropout.py
+++ b/uncertainties/sources/models/dropout.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/models/precond.py b/uncertainties/sources/models/precond.py
index 08dbc7359ef..f93db8ce5a1 100644
--- a/uncertainties/sources/models/precond.py
+++ b/uncertainties/sources/models/precond.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/models/simple.py b/uncertainties/sources/models/simple.py
index 189c8470d31..7774a36ee11 100644
--- a/uncertainties/sources/models/simple.py
+++ b/uncertainties/sources/models/simple.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/postprocessing/metrics.py b/uncertainties/sources/postprocessing/metrics.py
index 5f1f655d84f..2cb62ca7369 100644
--- a/uncertainties/sources/postprocessing/metrics.py
+++ b/uncertainties/sources/postprocessing/metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/postprocessing/postprocess.py b/uncertainties/sources/postprocessing/postprocess.py
index ca44c986192..5ac2738c03f 100644
--- a/uncertainties/sources/postprocessing/postprocess.py
+++ b/uncertainties/sources/postprocessing/postprocess.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uncertainties/sources/utils/util.py b/uncertainties/sources/utils/util.py
index 0ee177e0402..3762df8eaa7 100644
--- a/uncertainties/sources/utils/util.py
+++ b/uncertainties/sources/utils/util.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/dataset.py b/unprocessing/dataset.py
index 506c3d0a6bd..2a1416c729d 100644
--- a/unprocessing/dataset.py
+++ b/unprocessing/dataset.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/dnd_denoise.py b/unprocessing/dnd_denoise.py
index c42c2337412..5384a56af3e 100644
--- a/unprocessing/dnd_denoise.py
+++ b/unprocessing/dnd_denoise.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/estimator.py b/unprocessing/estimator.py
index 38079cd0690..d6000c97424 100644
--- a/unprocessing/estimator.py
+++ b/unprocessing/estimator.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/network.py b/unprocessing/network.py
index d6d96d16912..bd46e556b02 100644
--- a/unprocessing/network.py
+++ b/unprocessing/network.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/process.py b/unprocessing/process.py
index 39e0f150251..fa6351f4825 100644
--- a/unprocessing/process.py
+++ b/unprocessing/process.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/train.py b/unprocessing/train.py
index 9b242cbd8a5..e6adb42ee1d 100644
--- a/unprocessing/train.py
+++ b/unprocessing/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/unprocessing/unprocess.py b/unprocessing/unprocess.py
index e29a224932e..92e514c2768 100644
--- a/unprocessing/unprocess.py
+++ b/unprocessing/unprocess.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/array_utils.py b/uq_benchmark_2019/array_utils.py
index a6ac43b51fc..9301596ebb5 100644
--- a/uq_benchmark_2019/array_utils.py
+++ b/uq_benchmark_2019/array_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/array_utils_test.py b/uq_benchmark_2019/array_utils_test.py
index 67751866ff1..d612b8dcdd5 100644
--- a/uq_benchmark_2019/array_utils_test.py
+++ b/uq_benchmark_2019/array_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/calibration_lib.py b/uq_benchmark_2019/calibration_lib.py
index ecacef9acf4..462e8fbc81d 100644
--- a/uq_benchmark_2019/calibration_lib.py
+++ b/uq_benchmark_2019/calibration_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/calibration_lib_test.py b/uq_benchmark_2019/calibration_lib_test.py
index 585ad2477e3..f35ade2aefc 100644
--- a/uq_benchmark_2019/calibration_lib_test.py
+++ b/uq_benchmark_2019/calibration_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/data_lib.py b/uq_benchmark_2019/cifar/data_lib.py
index 31ae1aac67c..07252503e1e 100644
--- a/uq_benchmark_2019/cifar/data_lib.py
+++ b/uq_benchmark_2019/cifar/data_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/data_lib_test.py b/uq_benchmark_2019/cifar/data_lib_test.py
index da05106710f..1a8a225ab2f 100644
--- a/uq_benchmark_2019/cifar/data_lib_test.py
+++ b/uq_benchmark_2019/cifar/data_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/end_to_end_test.py b/uq_benchmark_2019/cifar/end_to_end_test.py
index 79383deef95..be5177d1d5a 100644
--- a/uq_benchmark_2019/cifar/end_to_end_test.py
+++ b/uq_benchmark_2019/cifar/end_to_end_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/hparams_lib.py b/uq_benchmark_2019/cifar/hparams_lib.py
index 2ad74c5654e..9b63461f2a6 100644
--- a/uq_benchmark_2019/cifar/hparams_lib.py
+++ b/uq_benchmark_2019/cifar/hparams_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/models_lib.py b/uq_benchmark_2019/cifar/models_lib.py
index cff9d0d089d..9ddddc212c6 100644
--- a/uq_benchmark_2019/cifar/models_lib.py
+++ b/uq_benchmark_2019/cifar/models_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/resnet.py b/uq_benchmark_2019/cifar/resnet.py
index 1b0d94c9940..8901cea2aa3 100644
--- a/uq_benchmark_2019/cifar/resnet.py
+++ b/uq_benchmark_2019/cifar/resnet.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/run_predict.py b/uq_benchmark_2019/cifar/run_predict.py
index d05d155c05b..decb3e5a262 100644
--- a/uq_benchmark_2019/cifar/run_predict.py
+++ b/uq_benchmark_2019/cifar/run_predict.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/cifar/run_train.py b/uq_benchmark_2019/cifar/run_train.py
index 3fe68f3d292..510043c3d27 100644
--- a/uq_benchmark_2019/cifar/run_train.py
+++ b/uq_benchmark_2019/cifar/run_train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/data_lib.py b/uq_benchmark_2019/criteo/data_lib.py
index bd3b97d0131..9ed199eadc5 100644
--- a/uq_benchmark_2019/criteo/data_lib.py
+++ b/uq_benchmark_2019/criteo/data_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/data_lib_test.py b/uq_benchmark_2019/criteo/data_lib_test.py
index ce2b7a1a770..2540293d56a 100644
--- a/uq_benchmark_2019/criteo/data_lib_test.py
+++ b/uq_benchmark_2019/criteo/data_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/hparams_lib.py b/uq_benchmark_2019/criteo/hparams_lib.py
index 87d99fc09cd..57ac71cab1e 100644
--- a/uq_benchmark_2019/criteo/hparams_lib.py
+++ b/uq_benchmark_2019/criteo/hparams_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/models_lib.py b/uq_benchmark_2019/criteo/models_lib.py
index 18c84e46044..c7ea9c73c7f 100644
--- a/uq_benchmark_2019/criteo/models_lib.py
+++ b/uq_benchmark_2019/criteo/models_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/run_predict.py b/uq_benchmark_2019/criteo/run_predict.py
index 2236ec37431..4225e7edffb 100644
--- a/uq_benchmark_2019/criteo/run_predict.py
+++ b/uq_benchmark_2019/criteo/run_predict.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/run_train.py b/uq_benchmark_2019/criteo/run_train.py
index 6a811f5f613..de4357f5b10 100644
--- a/uq_benchmark_2019/criteo/run_train.py
+++ b/uq_benchmark_2019/criteo/run_train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/criteo/run_train_test.py b/uq_benchmark_2019/criteo/run_train_test.py
index 19d423c42e4..5805175338c 100644
--- a/uq_benchmark_2019/criteo/run_train_test.py
+++ b/uq_benchmark_2019/criteo/run_train_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/experiment_utils.py b/uq_benchmark_2019/experiment_utils.py
index 8d2a80afac1..cb4bb4eae3f 100644
--- a/uq_benchmark_2019/experiment_utils.py
+++ b/uq_benchmark_2019/experiment_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/gaussian_process_kernels.py b/uq_benchmark_2019/gaussian_process_kernels.py
index 7045226eec8..8effb78f1cf 100644
--- a/uq_benchmark_2019/gaussian_process_kernels.py
+++ b/uq_benchmark_2019/gaussian_process_kernels.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/gaussian_process_kernels_test.py b/uq_benchmark_2019/gaussian_process_kernels_test.py
index 377b5a4ae51..7f3b3b0508f 100644
--- a/uq_benchmark_2019/gaussian_process_kernels_test.py
+++ b/uq_benchmark_2019/gaussian_process_kernels_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/image_data_utils.py b/uq_benchmark_2019/image_data_utils.py
index cb7248e6a3f..9610ba7e43f 100644
--- a/uq_benchmark_2019/image_data_utils.py
+++ b/uq_benchmark_2019/image_data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/data_lib.py b/uq_benchmark_2019/imagenet/data_lib.py
index c474f94e137..b2c21f3fe51 100644
--- a/uq_benchmark_2019/imagenet/data_lib.py
+++ b/uq_benchmark_2019/imagenet/data_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/data_lib_test.py b/uq_benchmark_2019/imagenet/data_lib_test.py
index b3ae4f7ae92..12760570b96 100644
--- a/uq_benchmark_2019/imagenet/data_lib_test.py
+++ b/uq_benchmark_2019/imagenet/data_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/end_to_end_test.py b/uq_benchmark_2019/imagenet/end_to_end_test.py
index bb5793b752d..9a01009d49c 100644
--- a/uq_benchmark_2019/imagenet/end_to_end_test.py
+++ b/uq_benchmark_2019/imagenet/end_to_end_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/hparams_lib.py b/uq_benchmark_2019/imagenet/hparams_lib.py
index 00a5916fee2..44f47e1aee2 100644
--- a/uq_benchmark_2019/imagenet/hparams_lib.py
+++ b/uq_benchmark_2019/imagenet/hparams_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/imagenet_input.py b/uq_benchmark_2019/imagenet/imagenet_input.py
index f34a40b323b..5788bb66ad8 100644
--- a/uq_benchmark_2019/imagenet/imagenet_input.py
+++ b/uq_benchmark_2019/imagenet/imagenet_input.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/learning_rate_lib.py b/uq_benchmark_2019/imagenet/learning_rate_lib.py
index 1da31874c59..6384161d7e0 100644
--- a/uq_benchmark_2019/imagenet/learning_rate_lib.py
+++ b/uq_benchmark_2019/imagenet/learning_rate_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/models_lib.py b/uq_benchmark_2019/imagenet/models_lib.py
index 4426e275e6c..9f454751e36 100644
--- a/uq_benchmark_2019/imagenet/models_lib.py
+++ b/uq_benchmark_2019/imagenet/models_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/resnet50_model.py b/uq_benchmark_2019/imagenet/resnet50_model.py
index 09d0f9b8fd0..a0e824f53c7 100644
--- a/uq_benchmark_2019/imagenet/resnet50_model.py
+++ b/uq_benchmark_2019/imagenet/resnet50_model.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/resnet50_train.py b/uq_benchmark_2019/imagenet/resnet50_train.py
index 416799bf24b..28603cb0b73 100644
--- a/uq_benchmark_2019/imagenet/resnet50_train.py
+++ b/uq_benchmark_2019/imagenet/resnet50_train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/resnet_preprocessing.py b/uq_benchmark_2019/imagenet/resnet_preprocessing.py
index f64cccb22e1..82c73c1a2dc 100644
--- a/uq_benchmark_2019/imagenet/resnet_preprocessing.py
+++ b/uq_benchmark_2019/imagenet/resnet_preprocessing.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/run_metrics.py b/uq_benchmark_2019/imagenet/run_metrics.py
index cb8b019a7c1..c17ad40fd4c 100644
--- a/uq_benchmark_2019/imagenet/run_metrics.py
+++ b/uq_benchmark_2019/imagenet/run_metrics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/run_predict.py b/uq_benchmark_2019/imagenet/run_predict.py
index a5d5281d2a7..abfe65fd015 100644
--- a/uq_benchmark_2019/imagenet/run_predict.py
+++ b/uq_benchmark_2019/imagenet/run_predict.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/imagenet/run_temp_scaling.py b/uq_benchmark_2019/imagenet/run_temp_scaling.py
index d0001819acc..2827b3351e4 100644
--- a/uq_benchmark_2019/imagenet/run_temp_scaling.py
+++ b/uq_benchmark_2019/imagenet/run_temp_scaling.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/metrics_lib.py b/uq_benchmark_2019/metrics_lib.py
index dfaab1c590e..e4ad560b393 100644
--- a/uq_benchmark_2019/metrics_lib.py
+++ b/uq_benchmark_2019/metrics_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/metrics_lib_test.py b/uq_benchmark_2019/metrics_lib_test.py
index 94db29f7c21..ff83d817cf2 100644
--- a/uq_benchmark_2019/metrics_lib_test.py
+++ b/uq_benchmark_2019/metrics_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/data_lib.py b/uq_benchmark_2019/mnist/data_lib.py
index 4a5714b3dcb..d0d8f04a1ce 100644
--- a/uq_benchmark_2019/mnist/data_lib.py
+++ b/uq_benchmark_2019/mnist/data_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/experiment.py b/uq_benchmark_2019/mnist/experiment.py
index 7bca1860dd7..70442f6d5d3 100644
--- a/uq_benchmark_2019/mnist/experiment.py
+++ b/uq_benchmark_2019/mnist/experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/experiment_test.py b/uq_benchmark_2019/mnist/experiment_test.py
index 391642f2cf2..b1f105e8942 100644
--- a/uq_benchmark_2019/mnist/experiment_test.py
+++ b/uq_benchmark_2019/mnist/experiment_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/hparams_lib.py b/uq_benchmark_2019/mnist/hparams_lib.py
index 75eef316de2..e3a05cac77a 100644
--- a/uq_benchmark_2019/mnist/hparams_lib.py
+++ b/uq_benchmark_2019/mnist/hparams_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/models_lib.py b/uq_benchmark_2019/mnist/models_lib.py
index 8c7d972db73..f99feb93951 100644
--- a/uq_benchmark_2019/mnist/models_lib.py
+++ b/uq_benchmark_2019/mnist/models_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/mnist/run_experiment.py b/uq_benchmark_2019/mnist/run_experiment.py
index e00d091258d..6b0ecf58feb 100644
--- a/uq_benchmark_2019/mnist/run_experiment.py
+++ b/uq_benchmark_2019/mnist/run_experiment.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/classifier.py b/uq_benchmark_2019/news/classifier.py
index 0ceaf1c5b05..b930d458a76 100644
--- a/uq_benchmark_2019/news/classifier.py
+++ b/uq_benchmark_2019/news/classifier.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/classifier_eval.py b/uq_benchmark_2019/news/classifier_eval.py
index 7722dd3b211..679d94eda74 100644
--- a/uq_benchmark_2019/news/classifier_eval.py
+++ b/uq_benchmark_2019/news/classifier_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/data_generate.py b/uq_benchmark_2019/news/data_generate.py
index 0ec20009ae2..ddc390277be 100644
--- a/uq_benchmark_2019/news/data_generate.py
+++ b/uq_benchmark_2019/news/data_generate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/data_utils.py b/uq_benchmark_2019/news/data_utils.py
index dd3d2006ae8..818c610eea2 100644
--- a/uq_benchmark_2019/news/data_utils.py
+++ b/uq_benchmark_2019/news/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/data_utils_from_hendrycks.py b/uq_benchmark_2019/news/data_utils_from_hendrycks.py
index 644f58800b9..843134c6bd4 100644
--- a/uq_benchmark_2019/news/data_utils_from_hendrycks.py
+++ b/uq_benchmark_2019/news/data_utils_from_hendrycks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/news/run.sh b/uq_benchmark_2019/news/run.sh
index 2244d80a103..f9ab60bb1e1 100644
--- a/uq_benchmark_2019/news/run.sh
+++ b/uq_benchmark_2019/news/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/run.sh b/uq_benchmark_2019/run.sh
index 0466fced5c2..6a10b740efc 100755
--- a/uq_benchmark_2019/run.sh
+++ b/uq_benchmark_2019/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/uq_utils.py b/uq_benchmark_2019/uq_utils.py
index e6220adb3f9..ca1e94d437f 100644
--- a/uq_benchmark_2019/uq_utils.py
+++ b/uq_benchmark_2019/uq_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/uq_benchmark_2019/uq_utils_test.py b/uq_benchmark_2019/uq_utils_test.py
index 554c85e5c10..582957aae47 100644
--- a/uq_benchmark_2019/uq_utils_test.py
+++ b/uq_benchmark_2019/uq_utils_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/data_utils.py b/value_dice/data_utils.py
index 86e9db5d11a..16c379fb01c 100644
--- a/value_dice/data_utils.py
+++ b/value_dice/data_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/gail.py b/value_dice/gail.py
index 6cdfe8fc33f..6dbce9424de 100644
--- a/value_dice/gail.py
+++ b/value_dice/gail.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/keras_utils.py b/value_dice/keras_utils.py
index 3fca7f99b8a..642531be79b 100644
--- a/value_dice/keras_utils.py
+++ b/value_dice/keras_utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/run_experiments.sh b/value_dice/run_experiments.sh
index 2db1178f61f..94121348e9f 100644
--- a/value_dice/run_experiments.sh
+++ b/value_dice/run_experiments.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/train_eval.py b/value_dice/train_eval.py
index cf5da2023a1..4797f0257aa 100644
--- a/value_dice/train_eval.py
+++ b/value_dice/train_eval.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/twin_sac.py b/value_dice/twin_sac.py
index fbddea744f7..96dd0004e0b 100644
--- a/value_dice/twin_sac.py
+++ b/value_dice/twin_sac.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/value_dice.py b/value_dice/value_dice.py
index d6857428fb5..7eb390a163c 100644
--- a/value_dice/value_dice.py
+++ b/value_dice/value_dice.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/wrappers/__init__.py b/value_dice/wrappers/__init__.py
index 7d077fd71f9..6bb52e5b82c 100644
--- a/value_dice/wrappers/__init__.py
+++ b/value_dice/wrappers/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/wrappers/absorbing_wrapper.py b/value_dice/wrappers/absorbing_wrapper.py
index 83a589dd092..d27153ce084 100644
--- a/value_dice/wrappers/absorbing_wrapper.py
+++ b/value_dice/wrappers/absorbing_wrapper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/wrappers/normalize_action_wrapper.py b/value_dice/wrappers/normalize_action_wrapper.py
index f8834ef63e5..29b7a562ca5 100644
--- a/value_dice/wrappers/normalize_action_wrapper.py
+++ b/value_dice/wrappers/normalize_action_wrapper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/value_dice/wrappers/normalize_state_wrapper.py b/value_dice/wrappers/normalize_state_wrapper.py
index 3732717f6a2..df237b3be6d 100644
--- a/value_dice/wrappers/normalize_state_wrapper.py
+++ b/value_dice/wrappers/normalize_state_wrapper.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/__init__.py b/video_structure/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/video_structure/__init__.py
+++ b/video_structure/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/datasets.py b/video_structure/datasets.py
index 89e3b494eac..914fcca3d11 100644
--- a/video_structure/datasets.py
+++ b/video_structure/datasets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/datasets_test.py b/video_structure/datasets_test.py
index 44154454c6a..a18ce197113 100644
--- a/video_structure/datasets_test.py
+++ b/video_structure/datasets_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/dynamics.py b/video_structure/dynamics.py
index 83d6d4fbba0..31a2a1500fc 100644
--- a/video_structure/dynamics.py
+++ b/video_structure/dynamics.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/dynamics_test.py b/video_structure/dynamics_test.py
index fd7bb48c29d..fcf72f1382b 100644
--- a/video_structure/dynamics_test.py
+++ b/video_structure/dynamics_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/hyperparameters.py b/video_structure/hyperparameters.py
index 560f3509138..79f4e12d0c7 100644
--- a/video_structure/hyperparameters.py
+++ b/video_structure/hyperparameters.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/losses.py b/video_structure/losses.py
index 95b7e645c4d..ae86238d920 100644
--- a/video_structure/losses.py
+++ b/video_structure/losses.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/losses_test.py b/video_structure/losses_test.py
index 951254c680a..b0674da4431 100644
--- a/video_structure/losses_test.py
+++ b/video_structure/losses_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/ops.py b/video_structure/ops.py
index 6bb78a879f6..b0a8a28ad88 100644
--- a/video_structure/ops.py
+++ b/video_structure/ops.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/ops_test.py b/video_structure/ops_test.py
index 1beba11d250..31b35ebba5a 100644
--- a/video_structure/ops_test.py
+++ b/video_structure/ops_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/run.sh b/video_structure/run.sh
index 74a3b1d7b00..f8ad2d6fb95 100755
--- a/video_structure/run.sh
+++ b/video_structure/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/train.py b/video_structure/train.py
index 185cc97413f..6d82f75e113 100644
--- a/video_structure/train.py
+++ b/video_structure/train.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/vision.py b/video_structure/vision.py
index ffcfccf7478..c93965ec5d0 100644
--- a/video_structure/vision.py
+++ b/video_structure/vision.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/video_structure/vision_test.py b/video_structure/vision_test.py
index e9339cf2f83..e28a734d6a5 100644
--- a/video_structure/vision_test.py
+++ b/video_structure/vision_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/__init__.py b/weak_disentangle/__init__.py
index af0cc7edbfc..9a198046280 100644
--- a/weak_disentangle/__init__.py
+++ b/weak_disentangle/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/datasets.py b/weak_disentangle/datasets.py
index cbad68d153a..be840caba5e 100644
--- a/weak_disentangle/datasets.py
+++ b/weak_disentangle/datasets.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/evaluate.py b/weak_disentangle/evaluate.py
index 5c4d607429a..c303489cbc1 100644
--- a/weak_disentangle/evaluate.py
+++ b/weak_disentangle/evaluate.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/main.py b/weak_disentangle/main.py
index 9a79db06324..1f23b614425 100644
--- a/weak_disentangle/main.py
+++ b/weak_disentangle/main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/networks.py b/weak_disentangle/networks.py
index 996fc03c6ee..08c2c153dc5 100644
--- a/weak_disentangle/networks.py
+++ b/weak_disentangle/networks.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/__init__.py b/weak_disentangle/tensorsketch/__init__.py
index 4cacb527fe3..945b039f6a6 100644
--- a/weak_disentangle/tensorsketch/__init__.py
+++ b/weak_disentangle/tensorsketch/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/modules/__init__.py b/weak_disentangle/tensorsketch/modules/__init__.py
index b7c9da07480..51fbcfc0276 100644
--- a/weak_disentangle/tensorsketch/modules/__init__.py
+++ b/weak_disentangle/tensorsketch/modules/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/modules/activation.py b/weak_disentangle/tensorsketch/modules/activation.py
index a2cad476fe2..24c7cf45a09 100644
--- a/weak_disentangle/tensorsketch/modules/activation.py
+++ b/weak_disentangle/tensorsketch/modules/activation.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/modules/affine.py b/weak_disentangle/tensorsketch/modules/affine.py
index c51974f37f1..c1177dd0863 100644
--- a/weak_disentangle/tensorsketch/modules/affine.py
+++ b/weak_disentangle/tensorsketch/modules/affine.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/modules/base.py b/weak_disentangle/tensorsketch/modules/base.py
index 02cdf613a8d..75f776ee13a 100644
--- a/weak_disentangle/tensorsketch/modules/base.py
+++ b/weak_disentangle/tensorsketch/modules/base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/modules/shape.py b/weak_disentangle/tensorsketch/modules/shape.py
index 01de40db3d8..f1e330a2151 100644
--- a/weak_disentangle/tensorsketch/modules/shape.py
+++ b/weak_disentangle/tensorsketch/modules/shape.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/__init__.py b/weak_disentangle/tensorsketch/normalization/__init__.py
index 708a93e75a8..6a427960908 100644
--- a/weak_disentangle/tensorsketch/normalization/__init__.py
+++ b/weak_disentangle/tensorsketch/normalization/__init__.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/base.py b/weak_disentangle/tensorsketch/normalization/base.py
index c5ad31a199c..02fde36d437 100644
--- a/weak_disentangle/tensorsketch/normalization/base.py
+++ b/weak_disentangle/tensorsketch/normalization/base.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/batch_normalization.py b/weak_disentangle/tensorsketch/normalization/batch_normalization.py
index 278e92c0e56..e7e2dc5a58d 100644
--- a/weak_disentangle/tensorsketch/normalization/batch_normalization.py
+++ b/weak_disentangle/tensorsketch/normalization/batch_normalization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/running_normalization.py b/weak_disentangle/tensorsketch/normalization/running_normalization.py
index 90e04f17e59..b59b1bed23b 100644
--- a/weak_disentangle/tensorsketch/normalization/running_normalization.py
+++ b/weak_disentangle/tensorsketch/normalization/running_normalization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/spectral_normalization.py b/weak_disentangle/tensorsketch/normalization/spectral_normalization.py
index ba56d93f841..8512783226e 100644
--- a/weak_disentangle/tensorsketch/normalization/spectral_normalization.py
+++ b/weak_disentangle/tensorsketch/normalization/spectral_normalization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/normalization/weight_normalization.py b/weak_disentangle/tensorsketch/normalization/weight_normalization.py
index 7ef57811b46..8509fa9bf03 100644
--- a/weak_disentangle/tensorsketch/normalization/weight_normalization.py
+++ b/weak_disentangle/tensorsketch/normalization/weight_normalization.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/tensorsketch/utils.py b/weak_disentangle/tensorsketch/utils.py
index 4ca09248a7a..2f876bfe321 100644
--- a/weak_disentangle/tensorsketch/utils.py
+++ b/weak_disentangle/tensorsketch/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/utils.py b/weak_disentangle/utils.py
index 29cfca8b8b8..d19642b88cf 100644
--- a/weak_disentangle/utils.py
+++ b/weak_disentangle/utils.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/weak_disentangle/viz.py b/weak_disentangle/viz.py
index 405ca9eb354..45e45287bce 100644
--- a/weak_disentangle/viz.py
+++ b/weak_disentangle/viz.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/wiki_split_bleu_eval/run.sh b/wiki_split_bleu_eval/run.sh
index 10dbd31bcc7..a34b8cbf994 100755
--- a/wiki_split_bleu_eval/run.sh
+++ b/wiki_split_bleu_eval/run.sh
@@ -1,4 +1,4 @@
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/wiki_split_bleu_eval/score_lib.py b/wiki_split_bleu_eval/score_lib.py
index eb3d6221b05..ec6a4329e75 100644
--- a/wiki_split_bleu_eval/score_lib.py
+++ b/wiki_split_bleu_eval/score_lib.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/wiki_split_bleu_eval/score_lib_test.py b/wiki_split_bleu_eval/score_lib_test.py
index 109d18864ab..874b53d2744 100644
--- a/wiki_split_bleu_eval/score_lib_test.py
+++ b/wiki_split_bleu_eval/score_lib_test.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/wiki_split_bleu_eval/score_main.py b/wiki_split_bleu_eval/score_main.py
index a13b72a41cc..d4b64638233 100644
--- a/wiki_split_bleu_eval/score_main.py
+++ b/wiki_split_bleu_eval/score_main.py
@@ -1,5 +1,5 @@
 # coding=utf-8
-# Copyright 2019 The Google Research Authors.
+# Copyright 2020 The Google Research Authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.