From 398a5807a149b099e607f7b9d7e55bc9efd74250 Mon Sep 17 00:00:00 2001
From: Alex Waygood <Alex.Waygood@Gmail.com>
Date: Tue, 8 Feb 2022 14:15:37 +0000
Subject: [PATCH] Return `Self` from `MutableSequence.__iadd__` (#7162)

---
 stdlib/typing.pyi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
index 15959d768..943329804 100644
--- a/stdlib/typing.pyi
+++ b/stdlib/typing.pyi
@@ -366,7 +366,7 @@ class MutableSequence(Sequence[_T], Generic[_T]):
     def reverse(self) -> None: ...
     def pop(self, index: int = ...) -> _T: ...
     def remove(self, value: _T) -> None: ...
-    def __iadd__(self, x: Iterable[_T]) -> MutableSequence[_T]: ...
+    def __iadd__(self: Self, x: Iterable[_T]) -> Self: ...
 
 class AbstractSet(Collection[_T_co], Generic[_T_co]):
     @abstractmethod