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Fix various ParamSpec errors in typing (GH-24176)

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1. ParamSpec -> TypeVar for ``typing.Concatenate``
2. ParamSpec's call signature should align with its documentation.
Noticed in GH-24169
This commit is contained in:
Ken Jin 2021-01-11 08:11:41 +08:00 • committed by GitHub
parent 81f87bbf9f
commit ace008c531
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2 changed files with 3 additions and 3 deletions
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4
Doc/library/typing.rst
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@ -695,10 +695,10 @@ These can be used as types in annotations using ``[]``, each having a unique syn
from collections.abc import Callable
from threading import Lock
from typing import Any, Concatenate, ParamSpec
from typing import Any, Concatenate, ParamSpec, TypeVar
P = ParamSpec('P')
R = ParamSpec('R')
R = TypeVar('R')
# Use this lock to ensure that only one thread is executing a function
# at any time.

2
Lib/typing.py
View file

@ -779,7 +779,7 @@ class ParamSpec(_Final, _Immutable, _TypeVarLike, _root=True):
args = object()
kwargs = object()
def __init__(self, name, bound=None, covariant=False, contravariant=False):
def __init__(self, name, *, bound=None, covariant=False, contravariant=False):
self.__name__ = name
super().__init__(bound, covariant, contravariant)
try: