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gh-98348: Mention ReferenceError in weakref.proxy documentation (GH-98355)

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(cherry picked from commit 216f45e4fe)

Co-authored-by: fancidev <fancidev@gmail.com>
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Miss Islington (bot) 2022-10-25 20:55:29 -07:00 • committed by GitHub
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Doc/library/weakref.rst
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@ -144,6 +144,9 @@ See :ref:`__slots__ documentation <slots>` for details.
prevent their use as dictionary keys. *callback* is the same as the parameter
of the same name to the :func:`ref` function.
Accessing an attribute of the proxy object after the referent is
garbage collected raises :exc:`ReferenceError`.
.. versionchanged:: 3.8
Extended the operator support on proxy objects to include the matrix
multiplication operators ``@`` and ``@=``.