ImportError: cannot import name SimpleSeq2seq

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andy1028@andy1028-Envy:/media/andy1028/data1t/os_prj/github/debug_seq2seq$ python bin/train.py
INFO:gensim.utils:Pattern library is not installed, lemmatization won't be available.
INFO:summa.preprocessing.cleaner:'pattern' package not found; tag filters are not available for English
Using TensorFlow backend.
I tensorflow/stream_executor/dso_loader.cc:108] successfully opened CUDA library libcublas.so locally
I tensorflow/stream_executor/dso_loader.cc:108] successfully opened CUDA library libcudnn.so locally
I tensorflow/stream_executor/dso_loader.cc:108] successfully opened CUDA library libcufft.so locally
I tensorflow/stream_executor/dso_loader.cc:108] successfully opened CUDA library libcuda.so.1 locally
I tensorflow/stream_executor/dso_loader.cc:108] successfully opened CUDA library libcurand.so locally
Traceback (most recent call last):
File "bin/train.py", line 10, in
from lib.nn_model.model import get_nn_model
File "/media/andy1028/data1t/os_prj/github/debug_seq2seq/lib/nn_model/model.py", line 4, in
from seq2seq.models import SimpleSeq2seq
ImportError: cannot import name SimpleSeq2seq

I had the done:

andy1028@andy1028-Envy:/media/andy1028/data1t/os_prj/github/debug_seq2seq/seq2seq$ git remote -v
origin https://github.com/farizrahman4u/seq2seq.git (fetch)
origin https://github.com/farizrahman4u/seq2seq.git (push)
andy1028@andy1028-Envy:/media/andy1028/data1t/os_prj/github/debug_seq2seq/seq2seq$ sudo python3 setup.py install
running install
running bdist_egg
running egg_info
writing seq2seq.egg-info/PKG-INFO
writing requirements to seq2seq.egg-info/requires.txt
writing dependency_links to seq2seq.egg-info/dependency_links.txt
writing top-level names to seq2seq.egg-info/top_level.txt
reading manifest file 'seq2seq.egg-info/SOURCES.txt'
writing manifest file 'seq2seq.egg-info/SOURCES.txt'
.....

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it fixed by change

andy1028@andy1028-Envy:/media/andy1028/data1t/os_prj/github/debug_seq2seq$ git diff
diff --git a/lib/nn_model/model.py b/lib/nn_model/model.py
index 3f229a0..1f86c41 100644
--- a/lib/nn_model/model.py
+++ b/lib/nn_model/model.py
@@ -1,7 +1,7 @@
import os.path

from keras.models import Sequential
-from seq2seq.models import SimpleSeq2seq
+from seq2seq.models import SimpleSeq2Seq

from configs.config import TOKEN_REPRESENTATION_SIZE, HIDDEN_LAYER_DIMENSION, SAMPLES_BATCH_SIZE,
INPUT_SEQUENCE_LENGTH, ANSWER_MAX_TOKEN_LENGTH, NN_MODEL_PATH
@@ -20,7 +20,7 @@ def get_nn_model(token_dict_size):
_logger.info('Batch size: %s' % SAMPLES_BATCH_SIZE)

 model = Sequential()

• seq2seq = SimpleSeq2seq(
• seq2seq = SimpleSeq2Seq(
  input_dim=TOKEN_REPRESENTATION_SIZE,
  input_length=INPUT_SEQUENCE_LENGTH,
  hidden_dim=HIDDEN_LAYER_DIMENSION,
  andy1028@andy1028-Envy:/media/andy1028/data1t/os_prj/github/debug_seq2seq$