[issue19542] WeakValueDictionary bug in setdefault()&pop()

[Armin Rigo]

Armin Rigo added the comment:

Converted the test into an official test, which fails; and wrote the patch for CPython "3.trunk" and for CPython 2.7.  Please review and commit.

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keywords: +needs review -patch
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19542>
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