Fix ItemsView.__contains__ (#14576)

srittau · web-flow · commit 554701e9b610 · 2025-08-15T11:52:09.000+02:00
diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
@@ -710,7 +710,7 @@ class ItemsView(MappingView, AbstractSet[tuple[_KT_co, _VT_co]], Generic[_KT_co,
     def __init__(self, mapping: Mapping[_KT_co, _VT_co]) -> None: ...  # undocumented
     def __and__(self, other: Iterable[Any]) -> set[tuple[_KT_co, _VT_co]]: ...
     def __rand__(self, other: Iterable[_T]) -> set[_T]: ...
-    def __contains__(self, item: object) -> bool: ...
+    def __contains__(self, item: tuple[object, object]) -> bool: ...  # type: ignore[override]
     def __iter__(self) -> Iterator[tuple[_KT_co, _VT_co]]: ...
     def __or__(self, other: Iterable[_T]) -> set[tuple[_KT_co, _VT_co] | _T]: ...
     def __ror__(self, other: Iterable[_T]) -> set[tuple[_KT_co, _VT_co] | _T]: ...
