Is this correct?

Author: bswck

stdlib/contextlib.pyi

@@ -87,7 +87,7 @@ class _GeneratorContextManagerBase(Generic[_G_co]):
 
 class _GeneratorContextManager(
     _GeneratorContextManagerBase[Generator[_T_co, _SendT_contra, _ReturnT_co]],
-    AbstractContextManager[_T_co, _ExitT_co],
+    AbstractContextManager[_T_co, bool | None],
     ContextDecorator[_ExcReturnT],  # _ExcReturnT is inferred by the type checker
 ):
     def __exit__(
@@ -104,7 +104,7 @@ if sys.version_info >= (3, 10):
 
     class _AsyncGeneratorContextManager(
         _GeneratorContextManagerBase[AsyncGenerator[_T_co, _SendT_contra]],
-        AbstractAsyncContextManager[_T_co, _ExitT_co],
+        AbstractAsyncContextManager[_T_co, bool | None],
         AsyncContextDecorator[_ExcReturnT],  # _ExcReturnT is inferred by the type checker
     ):
         async def __aexit__(