Third-party stubs: import from collections.abc where possible (#7637)

stubs/beautifulsoup4/bs4/__init__.pyi

@@ -1,5 +1,6 @@
 from _typeshed import Self, SupportsRead
-from typing import Any, Sequence
+from collections.abc import Sequence
+from typing import Any
 
 from .builder import TreeBuilder
 from .element import (

stubs/beautifulsoup4/bs4/element.pyi

@@ -1,6 +1,6 @@
 from _typeshed import Self
-from collections.abc import Iterator
-from typing import Any, Callable, Generic, Iterable, Pattern, TypeVar, overload
+from collections.abc import Callable, Iterable, Iterator
+from typing import Any, Generic, Pattern, TypeVar, overload
 from typing_extensions import TypeAlias
 
 from . import BeautifulSoup

stubs/beautifulsoup4/bs4/formatter.pyi

@@ -1,4 +1,4 @@
-from typing import Callable
+from collections.abc import Callable
 from typing_extensions import TypeAlias
 
 from .dammit import EntitySubstitution as EntitySubstitution