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gh-98348: Mention ReferenceError in weakref.proxy documentation #98355

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Oct 26, 2022
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gh-98348: Mention ReferenceError in weakref.proxy documentation #98355

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3 changes: 3 additions & 0 deletions Doc/library/weakref.rst
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Expand Up @@ -146,6 +146,9 @@ 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 ``@=``.
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