[issue21905] RuntimeError in pickle.whichmodule when sys.modules if mutated

[Antoine Pitrou]

Antoine Pitrou added the comment:

Sounds fine, but you should at least add a comment explaining the list() call.

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nosy: +alexandre.vassalotti, pitrou
stage:  -> patch review
type: crash -> behavior

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21905>
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