gh-89828: Do not relay the __class__ attribute in GenericAlias by serhiy-storchaka · Pull Request #93754 · python/cpython
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list[int].__class__ returned type, and isinstance(list[int], type) returned True. It caused numerous problems in code that checks isinstance(x, type).
…e-89828.bq02M7.rst Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue
Jun 18, 2022
…ythonGH-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 f9433ff) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
miss-islington added a commit that referenced this issue
Jun 18, 2022
) 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 f9433ff) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>