[issue20942] _frozen_importlib should not have a __file__ attribute

[Arfrever Frehtes Taifersar Arahesis]

Changes by Arfrever Frehtes Taifersar Arahesis <Arfrever.FTA at GMail.Com>:


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stage: patch review -> committed/rejected

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20942>
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