[issue38008] ContextManager and AsyncContextManager protocols can't be subclassed

[Divij Rajkumar]

Change by Divij Rajkumar <drajkuma1 at gmail.com>:


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keywords: +patch
pull_requests: +15313
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/15647

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38008>
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