[issue38006] Crash in remove() weak reference callback of weakref.WeakValueDictionary at Python exit

[STINNER Victor]

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

Oh, Neil missed "bpo-38006: " prefix in his commit. Here it is:

commit bcda460baf25062ab68622b3f043f52b9db4d21d
Author: Neil Schemenauer <nas-github at arctrix.com>
Date:   Mon Sep 30 10:06:45 2019 -0700

    Clear weakrefs in garbage found by the GC (#16495)
    
    Fix a bug due to the interaction of weakrefs and the cyclic garbage
    collector. We must clear any weakrefs in garbage in order to prevent
    their callbacks from executing and causing a crash.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38006>
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