Theano导入错误

Question

我正在尝试在CPU机器上安装Theano (运行英特尔高清显卡，没有NVIDIA)。在python中测试时，我得到了以下导入错误。

WARNING (theano.configdefaults): g++ not detected ! Theano will be unable to exe
cute optimized C-implementations (for both CPU and GPU) and will default to Pyth
on implementations. Performance will be severely degraded. To remove this warnin
g, set Theano flags cxx to an empty string.
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "c:\anaconda\pkgs\theano\theano\__init__.py", line 74, in <module>
    from theano.printing import pprint, pp
  File "c:\anaconda\pkgs\theano\theano\printing.py", line 19, in <module>
    if pd.find_graphviz():
  File "C:\Anaconda\lib\site-packages\pydot.py", line 409, in find_graphviz
    "SOFTWARE\ATT\Graphviz", 0, win32con.KEY_QUERY_VALUE )
pywintypes.error: (2, 'RegOpenKeyEx', 'The system cannot find the file specified
.')

不过，我已经安装了g++。

谢谢。

Answer 1

As described in the documentation，在使用Anaconda时，请确保您已经这样做了。

conda install mingw libpython

Answer 2

如果在windows上使用Pycharm，请执行以下步骤：

• install anaconda
• Change your interpreter to anaconda python
• install theano
• install mingw
• install libpython

Answer 3

试试这个：

pip install --upgrade --no-deps git+git://github.com/Theano/Theano.git

十,

from theano import *

这对我来说很有效