fix

Author: AlexWaygood

src/test_typing_extensions.py

@@ -1207,12 +1207,15 @@ class My(enum.Enum):
 
         self.assertEqual(Literal[My.A].__args__, (My.A,))
 
-    def test_nested_literals_are_allowed(self):
+    def test_strange_parameters_are_allowed(self):
         # These are explicitly allowed by the typing spec
-        Literal[int]
         Literal[Literal[1, 2], Literal[4, 5]]
-        Literal[3j + 2, ..., ()]
         Literal[b"foo", "bar"]
+
+        # Type checkers should reject these types, but we do not
+        # raise errors at runtime to maintain maximum flexibility
+        Literal[int]
+        Literal[3j + 2, ..., ()]
         Literal[{"foo": 3, "bar": 4}]
         Literal[T]