[issue38407] Add docstrings for typing.SupportsXXX classes

[Serhiy Storchaka]

Serhiy Storchaka <storchaka+cpython at gmail.com> added the comment:


New changeset 8252c52e57283515ace5d4251584255dc5c60eb5 by Serhiy Storchaka in branch 'master':
bpo-38407: Add docstrings for typing.SupportsXXX classes. (GH-16644)
https://github.com/python/cpython/commit/8252c52e57283515ace5d4251584255dc5c60eb5


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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38407>
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