[issue39453] Use-after-free in list contain

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Thanks Dong-hee Na for the fix.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed
versions: +Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39453>
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