Allowlist typing_extensions no_type_check_decorator export oddity

Author: JelleZijlstra

stdlib/@tests/stubtest_allowlists/py315.txt

@@ -398,6 +398,7 @@ typing.TypeVar.__mro_entries__
 typing.TypeVarTuple.__mro_entries__
 typing.Union
 typing._SpecialForm.__mro_entries__
+typing_extensions.__all__
 typing_extensions.Protocol
 unicodedata.block
 unicodedata.extended_pictographic

stdlib/typing_extensions.pyi

@@ -209,7 +209,8 @@ _TC = _TypeVar("_TC", bound=type[object])
 _T_co = _TypeVar("_T_co", covariant=True)  # Any type covariant containers.
 _T_contra = _TypeVar("_T_contra", contravariant=True)
 
-def no_type_check_decorator(decorator: _F) -> _F: ...
+if sys.version_info < (3, 15):
+    def no_type_check_decorator(decorator: _F) -> _F: ...
 
 # Do not import (and re-export) Protocol or runtime_checkable from
 # typing module because type checkers need to be able to distinguish