版本:python2.7,pydot1.0.2,graphviz2.38
import pydot正常,但是使用theano.printing.dotpring报错:RuntimeError: Failed to import pydot. You must install pydot for pydotprint
to work.
查找问题根源,发现graphviz没有找到,于是使用pydot.find_graphviz()测试,报错如下:
error Traceback (most recent call last)
in ()
----> 1 pydot.find_graphviz()
C:\Anaconda\lib\site-packages\pydot.pyc in find_graphviz()
407 #
408 hkey = win32api.RegOpenKeyEx( win32con.HKEY_LOCAL_MACHINE,
--> 409 "SOFTWARE\ATT\Graphviz", 0, win32con.KEY_QUERY_VALUE )
410
411 path = win32api.RegQueryValueEx( hkey, "InstallPath" )[0]
error: (2, 'RegOpenKeyEx', '\xcf\xb5\xcd\xb3\xd5\xd2\xb2\xbb\xb5\xbd\xd6\xb8\xb6\xa8\xb5\xc4\xce\xc4\xbc\xfe\xa1\xa3')