[issue25769] Crash due to using weakref referent without acquiring a strong reference

[Irit Katriel]

Change by Irit Katriel <iritkatriel at gmail.com>:


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resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> proxy_contains (weakref.proxy) can access an object with 0 refcount

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue25769>
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