Fix parameter types for pkgutil functions accepting pathlike arguments (#13642)

Author: brianschubert

stdlib/pkgutil.pyi

@@ -1,5 +1,5 @@
 import sys
-from _typeshed import SupportsRead
+from _typeshed import StrOrBytesPath, SupportsRead
 from _typeshed.importlib import LoaderProtocol, MetaPathFinderProtocol, PathEntryFinderProtocol
 from collections.abc import Callable, Iterable, Iterator
 from typing import IO, Any, NamedTuple, TypeVar
@@ -31,21 +31,21 @@ def extend_path(path: _PathT, name: str) -> _PathT: ...
 
 if sys.version_info < (3, 12):
     class ImpImporter:
-        def __init__(self, path: str | None = None) -> None: ...
+        def __init__(self, path: StrOrBytesPath | None = None) -> None: ...
 
     class ImpLoader:
-        def __init__(self, fullname: str, file: IO[str], filename: str, etc: tuple[str, str, int]) -> None: ...
+        def __init__(self, fullname: str, file: IO[str], filename: StrOrBytesPath, etc: tuple[str, str, int]) -> None: ...
 
 @deprecated("Use importlib.util.find_spec() instead. Will be removed in Python 3.14.")
 def find_loader(fullname: str) -> LoaderProtocol | None: ...
-def get_importer(path_item: str) -> PathEntryFinderProtocol | None: ...
+def get_importer(path_item: StrOrBytesPath) -> PathEntryFinderProtocol | None: ...
 @deprecated("Use importlib.util.find_spec() instead. Will be removed in Python 3.14.")
 def get_loader(module_or_name: str) -> LoaderProtocol | None: ...
 def iter_importers(fullname: str = "") -> Iterator[MetaPathFinderProtocol | PathEntryFinderProtocol]: ...
-def iter_modules(path: Iterable[str] | None = None, prefix: str = "") -> Iterator[ModuleInfo]: ...
+def iter_modules(path: Iterable[StrOrBytesPath] | None = None, prefix: str = "") -> Iterator[ModuleInfo]: ...
 def read_code(stream: SupportsRead[bytes]) -> Any: ...  # undocumented
 def walk_packages(
-    path: Iterable[str] | None = None, prefix: str = "", onerror: Callable[[str], object] | None = None
+    path: Iterable[StrOrBytesPath] | None = None, prefix: str = "", onerror: Callable[[str], object] | None = None
 ) -> Iterator[ModuleInfo]: ...
 def get_data(package: str, resource: str) -> bytes | None: ...