Big diff: Use new "|" union syntax (#5872)

stdlib/asyncio/locks.pyi

@@ -1,6 +1,6 @@
 import sys
 from types import TracebackType
-from typing import Any, Awaitable, Callable, Deque, Generator, Optional, Type, TypeVar, Union
+from typing import Any, Awaitable, Callable, Deque, Generator, Type, TypeVar
 
 from .events import AbstractEventLoop
 from .futures import Future
@@ -9,19 +9,19 @@ _T = TypeVar("_T")
 
 if sys.version_info >= (3, 9):
     class _ContextManagerMixin:
-        def __init__(self, lock: Union[Lock, Semaphore]) -> None: ...
+        def __init__(self, lock: Lock | Semaphore) -> None: ...
         def __aenter__(self) -> Awaitable[None]: ...
         def __aexit__(
-            self, exc_type: Optional[Type[BaseException]], exc: Optional[BaseException], tb: Optional[TracebackType]
+            self, exc_type: Type[BaseException] | None, exc: BaseException | None, tb: TracebackType | None
         ) -> Awaitable[None]: ...
 
 else:
     class _ContextManager:
-        def __init__(self, lock: Union[Lock, Semaphore]) -> None: ...
+        def __init__(self, lock: Lock | Semaphore) -> None: ...
         def __enter__(self) -> object: ...
         def __exit__(self, *args: Any) -> None: ...
     class _ContextManagerMixin:
-        def __init__(self, lock: Union[Lock, Semaphore]) -> None: ...
+        def __init__(self, lock: Lock | Semaphore) -> None: ...
         # Apparently this exists to *prohibit* use as a context manager.
         def __enter__(self) -> object: ...
         def __exit__(self, *args: Any) -> None: ...
@@ -29,24 +29,24 @@ else:
         def __await__(self) -> Generator[Any, None, _ContextManager]: ...
         def __aenter__(self) -> Awaitable[None]: ...
         def __aexit__(
-            self, exc_type: Optional[Type[BaseException]], exc: Optional[BaseException], tb: Optional[TracebackType]
+            self, exc_type: Type[BaseException] | None, exc: BaseException | None, tb: TracebackType | None
         ) -> Awaitable[None]: ...
 
 class Lock(_ContextManagerMixin):
-    def __init__(self, *, loop: Optional[AbstractEventLoop] = ...) -> None: ...
+    def __init__(self, *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
     async def acquire(self) -> bool: ...
     def release(self) -> None: ...
 
 class Event:
-    def __init__(self, *, loop: Optional[AbstractEventLoop] = ...) -> None: ...
+    def __init__(self, *, loop: AbstractEventLoop | None = ...) -> None: ...
     def is_set(self) -> bool: ...
     def set(self) -> None: ...
     def clear(self) -> None: ...
     async def wait(self) -> bool: ...
 
 class Condition(_ContextManagerMixin):
-    def __init__(self, lock: Optional[Lock] = ..., *, loop: Optional[AbstractEventLoop] = ...) -> None: ...
+    def __init__(self, lock: Lock | None = ..., *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
     async def acquire(self) -> bool: ...
     def release(self) -> None: ...
@@ -58,11 +58,11 @@ class Condition(_ContextManagerMixin):
 class Semaphore(_ContextManagerMixin):
     _value: int
     _waiters: Deque[Future[Any]]
-    def __init__(self, value: int = ..., *, loop: Optional[AbstractEventLoop] = ...) -> None: ...
+    def __init__(self, value: int = ..., *, loop: AbstractEventLoop | None = ...) -> None: ...
     def locked(self) -> bool: ...
     async def acquire(self) -> bool: ...
     def release(self) -> None: ...
     def _wake_up_next(self) -> None: ...
 
 class BoundedSemaphore(Semaphore):
-    def __init__(self, value: int = ..., *, loop: Optional[AbstractEventLoop] = ...) -> None: ...
+    def __init__(self, value: int = ..., *, loop: AbstractEventLoop | None = ...) -> None: ...