From 0629d134fc521a3982dc308cd9cddcb539079870 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Thu, 10 Mar 2022 13:30:04 +0100
Subject: [PATCH] Use TypeVar for pkgutil.extend_path

---
 stdlib/@python2/pkgutil.pyi | 5 +++--
 stdlib/pkgutil.pyi          | 6 ++++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/stdlib/@python2/pkgutil.pyi b/stdlib/@python2/pkgutil.pyi
index 3b006b376641..8b54a72ec0f3 100644
--- a/stdlib/@python2/pkgutil.pyi
+++ b/stdlib/@python2/pkgutil.pyi
@@ -1,13 +1,14 @@
 from _typeshed import SupportsRead
-from typing import IO, Any, Callable, Iterable, Iterator, Union
+from typing import IO, Any, Callable, Iterable, Iterator, TypeVar, Union
 
 Loader = Any
 MetaPathFinder = Any
 PathEntryFinder = Any
 
+_PathT = TypeVar("_PathT", bound=Iterable[str])
 _ModuleInfoLike = tuple[Union[MetaPathFinder, PathEntryFinder], str, bool]
 
-def extend_path(path: list[str], name: str) -> list[str]: ...
+def extend_path(path: _PathT, name: str) -> _PathT: ...
 
 class ImpImporter:
     def __init__(self, path: str | None = ...) -> None: ...
diff --git a/stdlib/pkgutil.pyi b/stdlib/pkgutil.pyi
index 607c6b371507..7c27f6702a7e 100644
--- a/stdlib/pkgutil.pyi
+++ b/stdlib/pkgutil.pyi
@@ -1,7 +1,7 @@
 import sys
 from _typeshed import SupportsRead
 from importlib.abc import Loader, MetaPathFinder, PathEntryFinder
-from typing import IO, Any, Callable, Iterable, Iterator, NamedTuple
+from typing import IO, Any, Callable, Iterable, Iterator, NamedTuple, TypeVar
 
 __all__ = [
     "get_importer",
@@ -18,12 +18,14 @@ __all__ = [
     "ModuleInfo",
 ]
 
+_PathT = TypeVar("_PathT", bound=Iterable[str])
+
 class ModuleInfo(NamedTuple):
     module_finder: MetaPathFinder | PathEntryFinder
     name: str
     ispkg: bool
 
-def extend_path(path: list[str], name: str) -> list[str]: ...
+def extend_path(path: _PathT, name: str) -> _PathT: ...
 
 class ImpImporter:
     def __init__(self, path: str | None = ...) -> None: ...