Dec 2, 2023 · Dec 2, 2023 · Dec 2, 2023 · Dec 2, 2023 · Dec 2, 2023 · Dec 2, 2023
diff --git a/Lib/typing.py b/Lib/typing.py
        return self._getitem(self, parameters)


 class _LiteralSpecialForm(_SpecialForm, _root=True):
    def __getitem__(self, parameters):
        if not isinstance(parameters, tuple):
            parameters = (parameters,)
        return self._getitem(self, *parameters)


 class _AnnotatedSpecialForm(_SpecialForm, _root=True):
 class _TypedCacheSpecialForm(_SpecialForm, _root=True):
    def __getitem__(self, parameters):
        if not isinstance(parameters, tuple):
            parameters = (parameters,)
    arg = _type_check(parameters, f"{self} requires a single type.")
    return Union[arg, type(None)]

 @_LiteralSpecialForm
 @_TypedCacheSpecialForm
 @_tp_cache(typed=True)
 def Literal(self, *parameters):
    """Special typing form to define literal types (a.k.a. value types).
        return (self.__origin__,)


 @_AnnotatedSpecialForm
 @_TypedCacheSpecialForm
 @_tp_cache(typed=True)
 def Annotated(self, *params):
    """Add context-specific metadata to a type.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -490,14 +490,7 @@ def __getitem__(self, parameters):
		return self._getitem(self, parameters)


		class _LiteralSpecialForm(_SpecialForm, _root=True):
		def __getitem__(self, parameters):
		if not isinstance(parameters, tuple):
		parameters = (parameters,)
		return self._getitem(self, *parameters)


		class _AnnotatedSpecialForm(_SpecialForm, _root=True):
		class _TypedCacheSpecialForm(_SpecialForm, _root=True):
		def __getitem__(self, parameters):
		if not isinstance(parameters, tuple):
		parameters = (parameters,)
Expand DownExpand Up		@@ -730,7 +723,7 @@ def Optional(self, parameters):
		arg = _type_check(parameters, f"{self} requires a single type.")
		return Union[arg, type(None)]

		@_LiteralSpecialForm
		@_TypedCacheSpecialForm
		@_tp_cache(typed=True)
		def Literal(self, *parameters):
		"""Special typing form to define literal types (a.k.a. value types).
Expand DownExpand Up		@@ -2012,7 +2005,7 @@ def __mro_entries__(self, bases):
		return (self.__origin__,)


		@_AnnotatedSpecialForm
		@_TypedCacheSpecialForm
		@_tp_cache(typed=True)
		def Annotated(self, *params):
		"""Add context-specific metadata to a type.
Expand Down