ethereum · naterush · Oct 12, 2017 · Oct 10, 2017 · Oct 10, 2017 · Oct 10, 2017
diff --git a/.gitignore b/.gitignore
@@ -5,3 +5,5 @@ venv*
 *.prof
 *.orig
 results.txt
+
+.cache/
diff --git a/forkchoice.py b/forkchoice.py
@@ -1,7 +1,4 @@
 import settings as s
-import random as r
-import copy
-import utils
 
 
 def get_max_weight_indexes(scores):
@@ -34,7 +31,8 @@ def get_fork_choice(last_finalized_block, children, latest_messages):
             curr_scores[child] = scores.get(child, 0)
             max_score = max(curr_scores[child], max_score)
 
-        # we don't choose weight 0 children. Also possible to make non-deterministic decision here.
+        # we don't choose weight 0 children.
+        # Also possible to make non-deterministic decision here.
         if max_score == 0:
             break
 

diff --git a/requirements.txt b/requirements.txt
@@ -18,8 +18,10 @@ pickleshare==0.7.4
 Pillow==4.3.0
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
+py==1.4.34
 Pygments==2.2.0
 pyparsing==2.2.0
+pytest==3.2.3
 python-dateutil==2.6.1
 pytz==2017.2
 scandir==1.6

diff --git a/test/test_block.py b/test/test_block.py
diff --git a/test/test_forkchoice.py b/test/test_forkchoice.py
diff --git a/test/test_safety_oracle.py b/test/test_safety_oracle.py
diff --git a/test/test_utils.py b/test/test_utils.py
diff --git a/test/__init__.py → tests/__init__.py b/test/__init__.py → tests/__init__.py