[issue19771] runpy should check ImportError.name before wrapping it

[R. David Murray]

R. David Murray added the comment:

Hmm.  It seems to me that .name not being set is a bug in importlib.  It appears that importlib doesn't set it in the 'from x import y' case.  After a bit of experimenting at the python prompt, I'm not even sure what that code in runpy is *doing* (find_spec('foo.__main__') seems to return None if __main__ doesn't exist but foo does).  I'm going to have to leave this to Nick unless I find some more time somewhere ;)

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nosy: +r.david.murray

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<http://bugs.python.org/issue19771>
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