Remove or move several TypeAlias declarations (#8444)

stdlib/lib2to3/pgen2/__init__.pyi

@@ -0,0 +1,8 @@
+from collections.abc import Callable
+from lib2to3.pgen2.grammar import Grammar
+from lib2to3.pytree import _RawNode
+from typing import Any
+from typing_extensions import TypeAlias
+
+# This is imported in several lib2to3/pgen2 submodules
+_Convert: TypeAlias = Callable[[Grammar, _RawNode], Any]

stdlib/lib2to3/pgen2/driver.pyi

@@ -1,7 +1,8 @@
 from _typeshed import StrPath
 from collections.abc import Iterable
+from lib2to3.pgen2 import _Convert
 from lib2to3.pgen2.grammar import Grammar
-from lib2to3.pytree import _NL, _Convert
+from lib2to3.pytree import _NL
 from logging import Logger
 from typing import IO, Any
 

stdlib/lib2to3/pgen2/parse.pyi

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