Message 231674 - Python tracker

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Content 
The problem not in pydoc or inspect itself. In Python 3.3 _tkinter.TkappType has the __module__ attribute:

>>> import _tkinter
>>> _tkinter.TkappType.__module__
'builtins'

Something was changed in 3.4 and builtin classes without dot in qualified name no longer have the __module__ attribute.