Import from collections.abc wherever possible (#7635)

stdlib/lib2to3/pgen2/driver.pyi

@@ -1,8 +1,9 @@
 from _typeshed import StrPath
+from collections.abc import Iterable
 from lib2to3.pgen2.grammar import Grammar
 from lib2to3.pytree import _NL, _Convert
 from logging import Logger
-from typing import IO, Any, Iterable
+from typing import IO, Any
 
 __all__ = ["Driver", "load_grammar"]
 

stdlib/lib2to3/pgen2/parse.pyi

@@ -1,6 +1,7 @@
+from collections.abc import Sequence
 from lib2to3.pgen2.grammar import _DFAS, Grammar
 from lib2to3.pytree import _NL, _Convert, _RawNode
-from typing import Any, Sequence
+from typing import Any
 from typing_extensions import TypeAlias
 
 _Context: TypeAlias = Sequence[Any]

stdlib/lib2to3/pgen2/pgen.pyi

@@ -1,7 +1,8 @@
 from _typeshed import StrPath
+from collections.abc import Iterable, Iterator
 from lib2to3.pgen2 import grammar
 from lib2to3.pgen2.tokenize import _TokenInfo
-from typing import IO, Any, Iterable, Iterator, NoReturn
+from typing import IO, Any, NoReturn
 
 class PgenGrammar(grammar.Grammar): ...
 

stdlib/lib2to3/pgen2/tokenize.pyi

@@ -1,6 +1,6 @@
 import sys
+from collections.abc import Callable, Iterable, Iterator
 from lib2to3.pgen2.token import *
-from typing import Callable, Iterable, Iterator
 from typing_extensions import TypeAlias
 
 if sys.version_info >= (3, 8):

stdlib/lib2to3/pytree.pyi

@@ -1,6 +1,7 @@
 from _typeshed import Self
+from collections.abc import Callable, Iterator
 from lib2to3.pgen2.grammar import Grammar
-from typing import Any, Callable, Iterator
+from typing import Any
 from typing_extensions import TypeAlias
 
 _NL: TypeAlias = Node | Leaf