Importing theano: AttributeError: 'module' object has no attribute 'find_graphviz'

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Importing theano: AttributeError: 'module' object has no attribute 'find_graphviz'

问题：

>>> import theano

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/dist-packages/theano/__init__.py", line 74, in <module>
from theano.printing import pprint, pp
File "/usr/local/lib/python2.7/dist-packages/theano/printing.py", line 35, in <module>
if pd.find_graphviz():

AttributeError: 'module' object has no attribute 'find_graphviz'

原因：

In pydot 1.2.x version,find_graphviz function have been deprecated. To fix this issue, you should install pydot 1.1.0 version here https://github.com/erocarrera/pydot/tree/v1.1.0 . And it is work for me. May help.

解决方案：

sudo pip uninstall -y pydot

或者

pip install pydot-ng

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