[issue3100] segfault with WeakValueDictionary and module clearing

[Adam Olsen]

Changes by Adam Olsen <rhamph at gmail.com>:


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title: segfault from multiprocessing.util.register_after_fork -> segfault with WeakValueDictionary and module clearing

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3100>
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