ImportError: cannot import name _collect_previous_mask

[ems7]

File "RNN.py", line 12, in
from seq2seq import Seq2Seq, AttentionSeq2Seq
File "/usr/local/lib/python2.7/dist-packages/seq2seq/init.py", line 1, in
from .cells import *
File "/usr/local/lib/python2.7/dist-packages/seq2seq/cells.py", line 1, in
import recurrentshop
File "build/bdist.linux-x86_64/egg/recurrentshop/init.py", line 1, in

File "build/bdist.linux-x86_64/egg/recurrentshop/engine.py", line 6, in
ImportError: cannot import name _collect_previous_mask

According to #177 this error is caused by an old version of keras, however i am using Keras 2.2.0

[ty5491003]

i juse solved this problem, u can seehttps://github.com/farizrahman4u/seq2seq/issues/250