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bpo-46998: Allow subclassing Any at runtime (GH-31841)

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Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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Shantanu 2022-04-04 19:35:29 -07:00 • committed by GitHub
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Doc/library/typing.rst
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@ -580,6 +580,11 @@ These can be used as types in annotations and do not support ``[]``.
* Every type is compatible with :data:`Any`.
* :data:`Any` is compatible with every type.
.. versionchanged:: 3.11
:data:`Any` can now be used as a base class. This can be useful for
avoiding type checker errors with classes that can duck type anywhere or
are highly dynamic.
.. data:: Never
The `bottom type <https://en.wikipedia.org/wiki/Bottom_type>`_,