Replace Union with union operator (#7596)

stubs/Pillow/PIL/ImageDraw.pyi

@@ -1,12 +1,12 @@
 from collections.abc import Container
-from typing import Any, Sequence, Union, overload
+from typing import Any, Sequence, overload
 from typing_extensions import Literal
 
 from .Image import Image
 from .ImageColor import _Ink
 from .ImageFont import _Font
 
-_XY = Sequence[Union[float, tuple[float, float]]]
+_XY = Sequence[float | tuple[float, float]]
 _Outline = Any
 
 class ImageDraw:

stubs/beautifulsoup4/bs4/element.pyi

@@ -27,7 +27,6 @@ class ContentMetaAttributeValue(AttributeValueWithCharsetSubstitution):
     def encode(self, encoding: str) -> str: ...  # type: ignore[override]  # incompatible with str
 
 _PageElementT = TypeVar("_PageElementT", bound=PageElement)
-# The wrapping Union[] can be removed once mypy fully supports | in type aliases.
 _SimpleStrainable = str | bool | None | bytes | Pattern[str] | Callable[[str], bool] | Callable[[Tag], bool]
 _Strainable = _SimpleStrainable | Iterable[_SimpleStrainable]
 _SimpleNormalizedStrainable = str | bool | None | Pattern[str] | Callable[[str], bool] | Callable[[Tag], bool]

stubs/colorama/colorama/ansitowin32.pyi

@@ -1,7 +1,7 @@
 import sys
 from _typeshed import SupportsWrite
 from types import TracebackType
-from typing import Any, Callable, Pattern, Sequence, TextIO, Union
+from typing import Any, Callable, Pattern, Sequence, TextIO
 
 if sys.platform == "win32":
     from .winterm import WinTerm
@@ -23,7 +23,7 @@ class StreamWrapper:
     def closed(self) -> bool: ...
 
 _WinTermCall = Callable[[int | None, bool, bool], None]
-_WinTermCallDict = dict[int, Union[tuple[_WinTermCall], tuple[_WinTermCall, int], tuple[_WinTermCall, int, bool]]]
+_WinTermCallDict = dict[int, tuple[_WinTermCall] | tuple[_WinTermCall, int] | tuple[_WinTermCall, int, bool]]
 
 class AnsiToWin32:
     ANSI_CSI_RE: Pattern[str] = ...