chore: mutable -> unhashable

Author: Maxinho96

Lib/test/test_typing.py

@@ -2801,7 +2801,7 @@ def test_args(self):
         self.assertEqual(Literal[1, 2, 3].__args__, (1, 2, 3))
         self.assertEqual(Literal[1, 2, 3, 3].__args__, (1, 2, 3))
         self.assertEqual(Literal[1, Literal[2], Literal[3, 4]].__args__, (1, 2, 3, 4))
-        # Mutable arguments will be deduplicated
+        # Unhashable arguments will be deduplicated too
         self.assertEqual(Literal[[], []].__args__, ([],))
         self.assertEqual(Literal[{"a": 1}, {"a": 1}].__args__, ({"a": 1},))
         self.assertEqual(