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| -rw-r--r-- | Doc/library/typing.rst | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index f82f535..a4767d2 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -1145,16 +1145,13 @@ These can be used as types in annotations. They all support subscription using from collections.abc import Callable from threading import Lock - from typing import Concatenate, ParamSpec, TypeVar - - P = ParamSpec('P') - R = TypeVar('R') + from typing import Concatenate # Use this lock to ensure that only one thread is executing a function # at any time. my_lock = Lock() - def with_lock(f: Callable[Concatenate[Lock, P], R]) -> Callable[P, R]: + def with_lock[**P, R](f: Callable[Concatenate[Lock, P], R]) -> Callable[P, R]: '''A type-safe decorator which provides a lock.''' def inner(*args: P.args, **kwargs: P.kwargs) -> R: # Provide the lock as the first argument. |