Return _S

srittau · Nov 1, 2025 · Nov 1, 2025 · Jan 8, 2026 · Jan 8, 2026 · Mar 11, 2026
commit 30c5bcb8ba0c279507844c53d94b2e141948154e
diff --git a/stdlib/typing.pyi b/stdlib/typing.pyi
@@ -386,6 +386,7 @@ _T = TypeVar("_T")
 _FT = TypeVar("_FT", bound=Callable[..., Any] | type)
 
 # These type variables are used by the container types.
+_S = TypeVar("_S")
 _KT = TypeVar("_KT")  # Key type.
 _VT = TypeVar("_VT")  # Value type.
 _T_co = TypeVar("_T_co", covariant=True)  # Any type covariant containers.