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| author | Serhiy Storchaka <storchaka@gmail.com> | 2022-06-18 08:34:57 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-06-18 08:34:57 (GMT) |
| commit | f9433fff476aa13af9cb314fcc6962055faa4085 (patch) | |
| tree | 1e8510f86eda5b339ab35c30127d00d5bf6d57f4 /Lib/typing.py | |
| parent | 084023ccbeb3bf54a2e19873c6a4b0bec7b617f6 (diff) | |
| download | cpython-f9433fff476aa13af9cb314fcc6962055faa4085.zip cpython-f9433fff476aa13af9cb314fcc6962055faa4085.tar.gz cpython-f9433fff476aa13af9cb314fcc6962055faa4085.tar.bz2 | |
gh-89828: Do not relay the __class__ attribute in GenericAlias (#93754)
list[int].__class__ returned type, and isinstance(list[int], type)
returned True. It caused numerous problems in code that checks
isinstance(x, type).
Diffstat (limited to 'Lib/typing.py')
| -rw-r--r-- | Lib/typing.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/typing.py b/Lib/typing.py index 25cae7f..1ebc3ce 100644 --- a/Lib/typing.py +++ b/Lib/typing.py @@ -1079,7 +1079,7 @@ class TypeVarTuple(_Final, _Immutable, _PickleUsingNameMixin, _root=True): var_tuple_index = None fillarg = None for k, arg in enumerate(args): - if not (isinstance(arg, type) and not isinstance(arg, GenericAlias)): + if not isinstance(arg, type): subargs = getattr(arg, '__typing_unpacked_tuple_args__', None) if subargs and len(subargs) == 2 and subargs[-1] is ...: if var_tuple_index is not None: |