mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-25 21:11:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

gh-102721: Improve coverage of _collections_abc._CallableGenericAlias (#102722)

Browse source 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Nikita Sobolev 2023-03-16 17:47:30 +03:00 • committed by GitHub
parent b0ec6253c9
commit fbe82fdd77
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 32 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Lib/_collections_abc.py
View file

@ -481,15 +481,8 @@ class _CallableGenericAlias(GenericAlias):
# rather than the default types.GenericAlias object. Most of the
# code is copied from typing's _GenericAlias and the builtin
# types.GenericAlias.
if not isinstance(item, tuple):
item = (item,)
# A special case in PEP 612 where if X = Callable[P, int],
# then X[int, str] == X[[int, str]].
if (len(self.__parameters__) == 1
and _is_param_expr(self.__parameters__[0])
and item and not _is_param_expr(item[0])):
item = (item,)
new_args = super().__getitem__(item).__args__