[issue19070] In place operators of weakref.proxy() not returning self.

[Irit Katriel]

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


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versions: +Python 3.10, Python 3.8, Python 3.9 -Python 2.6, Python 2.7, Python 3.3

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue19070>
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