Merge and type correction

Author: Daraan

CHANGELOG.md

@@ -23,12 +23,12 @@ aliases that have a `Concatenate` special form as their argument.
   `Ellipsis` as an argument. Patch by [Daraan](https://github.com/Daraan).
 - Fix error in subscription of `Unpack` aliases causing nested Unpacks 
   to not be resolved correctly. Patch by [Daraan](https://github.com/Daraan).
+- Backport CPython PR [#124795](https://github.com/python/cpython/pull/124795):
+  fix `TypeAliasType` not raising an error on non-tuple inputs for `type_params`.
+  Patch by [Daraan](https://github.com/Daraan).
 - Fix that lists and ... could not be used for parameter expressions for `TypeAliasType`
   instances before Python 3.11.
   Patch by [Daraan](https://github.com/Daraan).
-- Backport of CPython PR [#124795](https://github.com/python/cpython/pull/124795)
-  and fix that `TypeAliasType` not raising an error on non-tuple inputs for `type_params`.
-  Patch by [Daraan](https://github.com/Daraan).
 
 # Release 4.12.2 (June 7, 2024)
 

src/test_typing_extensions.py

@@ -7417,7 +7417,7 @@ def test_getitem(self):
         self.assertEqual(get_args(fully_subscripted), (Iterable[float],))
         self.assertIs(get_origin(fully_subscripted), ListOrSetT)
 
-        ValueWithoutTypeVar = TypeAliasType("ValueWithoutTypeParam", int, type_params=(T,))
+        ValueWithoutTypeVar = TypeAliasType("ValueWithoutTypeVar", int, type_params=(T,))
         still_subscripted = ValueWithoutTypeVar[str]
         self.assertEqual(get_args(still_subscripted), (str,))