[issue19946] Handle a non-importable __main__ in multiprocessing

[Christian Heimes]

Christian Heimes added the comment:

The commit broken a couple of buildbots like all Windows bots and OpenIndiana.

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nosy: +christian.heimes
resolution: fixed -> 
status: closed -> open

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19946>
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