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

stdlib/multiprocessing/dummy/__init__.pyi

@@ -2,7 +2,7 @@ import array
 import threading
 import weakref
 from queue import Queue as Queue
-from typing import Any, Callable, Iterable, List, Mapping, Optional, Sequence
+from typing import Any, Callable, Iterable, List, Mapping, Sequence
 
 JoinableQueue = Queue
 Barrier = threading.Barrier
@@ -18,12 +18,12 @@ class DummyProcess(threading.Thread):
     _parent: threading.Thread
     _pid: None
     _start_called: int
-    exitcode: Optional[int]
+    exitcode: int | None
     def __init__(
         self,
         group: Any = ...,
-        target: Optional[Callable[..., Any]] = ...,
-        name: Optional[str] = ...,
+        target: Callable[..., Any] | None = ...,
+        name: str | None = ...,
         args: Iterable[Any] = ...,
         kwargs: Mapping[str, Any] = ...,
     ) -> None: ...
@@ -43,9 +43,7 @@ class Value:
 
 def Array(typecode: Any, sequence: Sequence[Any], lock: Any = ...) -> array.array[Any]: ...
 def Manager() -> Any: ...
-def Pool(
-    processes: Optional[int] = ..., initializer: Optional[Callable[..., Any]] = ..., initargs: Iterable[Any] = ...
-) -> Any: ...
+def Pool(processes: int | None = ..., initializer: Callable[..., Any] | None = ..., initargs: Iterable[Any] = ...) -> Any: ...
 def active_children() -> List[Any]: ...
 def current_process() -> threading.Thread: ...
 def freeze_support() -> None: ...

stdlib/multiprocessing/dummy/connection.pyi

@@ -1,7 +1,7 @@
 from _typeshed import Self
 from queue import Queue
 from types import TracebackType
-from typing import Any, List, Optional, Tuple, Type, Union
+from typing import Any, List, Tuple, Type, Union
 
 families: List[None]
 
@@ -16,21 +16,21 @@ class Connection(object):
     send_bytes: Any
     def __enter__(self: Self) -> Self: ...
     def __exit__(
-        self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[TracebackType]
+        self, exc_type: Type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
     ) -> None: ...
     def __init__(self, _in: Any, _out: Any) -> None: ...
     def close(self) -> None: ...
     def poll(self, timeout: float = ...) -> bool: ...
 
 class Listener(object):
-    _backlog_queue: Optional[Queue[Any]]
+    _backlog_queue: Queue[Any] | None
     @property
-    def address(self) -> Optional[Queue[Any]]: ...
+    def address(self) -> Queue[Any] | None: ...
     def __enter__(self: Self) -> Self: ...
     def __exit__(
-        self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], exc_tb: Optional[TracebackType]
+        self, exc_type: Type[BaseException] | None, exc_val: BaseException | None, exc_tb: TracebackType | None
     ) -> None: ...
-    def __init__(self, address: Optional[_Address] = ..., family: Optional[int] = ..., backlog: int = ...) -> None: ...
+    def __init__(self, address: _Address | None = ..., family: int | None = ..., backlog: int = ...) -> None: ...
     def accept(self) -> Connection: ...
     def close(self) -> None: ...