fix builtins.reversed

Author: jorenham

stdlib/builtins.pyi

@@ -32,7 +32,7 @@ from _typeshed import (
     SupportsRichComparisonT,
     SupportsWrite,
 )
-from collections.abc import Awaitable, Callable, Iterable, Iterator, MutableSet, Reversible, Set as AbstractSet, Sized
+from collections.abc import Awaitable, Callable, Iterable, Iterator, MutableSet, Set as AbstractSet, Sized
 from io import BufferedRandom, BufferedReader, BufferedWriter, FileIO, TextIOWrapper
 from types import CellType, CodeType, TracebackType
 
@@ -1730,13 +1730,16 @@ def pow(base: _SupportsSomeKindOfPow, exp: complex, mod: None = None) -> complex
 
 quit: _sitebuiltins.Quitter
 
-class reversed(Generic[_T]):
+class _SupportsReversed(Protocol[_T_co]):
+    def __reversed__(self) -> _T_co: ...
+
+class reversed(Generic[_T_co]):
     @overload
-    def __new__(cls, sequence: Reversible[_T], /) -> Iterator[_T]: ...  # type: ignore[misc]
+    def __new__(cls, sequence: _SupportsReversed[_T], /) -> _T: ...  # type: ignore[misc]
     @overload
-    def __new__(cls, sequence: SupportsLenAndGetItem[_T], /) -> Iterator[_T]: ...  # type: ignore[misc]
+    def __new__(cls, sequence: SupportsLenAndGetItem[_T_co], /) -> Self: ...
     def __iter__(self) -> Self: ...
-    def __next__(self) -> _T: ...
+    def __next__(self) -> _T_co: ...
     def __length_hint__(self) -> int: ...
 
 def repr(obj: object, /) -> str: ...