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author	Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
	Sat, 18 Jun 2022 14:41:25 +0000 (07:41 -0700)
committer	GitHub <noreply@github.com>
	Sat, 18 Jun 2022 14:41:25 +0000 (07:41 -0700)
commit	579e985e75fd682e314c7b0cce6b1751abe8a7d0
tree	1e31ad5eb309303a81c0c7ea64d268cb429473fa	tree \| snapshot
parent	2eff55cd46a55c1eefa8c57b6ab85655dd261fe7	commit \| diff

gh-89828: Do not relay the __class__ attribute in GenericAlias (GH-93754)

list[int].__class__ returned type, and isinstance(list[int], type)
returned True. It caused numerous problems in code that checks
isinstance(x, type).
(cherry picked from commit f9433fff476aa13af9cb314fcc6962055faa4085)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Lib/dataclasses.py		diff \| blob \| blame \| history
Lib/functools.py		diff \| blob \| blame \| history
Lib/pydoc.py		diff \| blob \| blame \| history
Lib/types.py		diff \| blob \| blame \| history
Lib/typing.py		diff \| blob \| blame \| history
Misc/NEWS.d/next/Core and Builtins/2022-06-12-19-31-56.gh-issue-89828.bq02M7.rst	[new file with mode: 0644]	blob
Objects/genericaliasobject.c		diff \| blob \| blame \| history

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