gh-128617: Fix `test_typing.test_readonly_inheritance` (#128618)

diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index ef3cfc9517085e94270569db5072ec6a54da8251..0bb9ada221e985f33c4cebaadadf0ba572d77586 100644 (file)
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -8912,13 +8912,13 @@ class TypedDictTests(BaseTestCase):
         self.assertEqual(Child1.__mutable_keys__, frozenset({'b'}))
 
         class Base2(TypedDict):
-            a: ReadOnly[int]
+            a: int
 
         class Child2(Base2):
-            b: str
+            b: ReadOnly[str]
 
-        self.assertEqual(Child1.__readonly_keys__, frozenset({'a'}))
-        self.assertEqual(Child1.__mutable_keys__, frozenset({'b'}))
+        self.assertEqual(Child2.__readonly_keys__, frozenset({'b'}))
+        self.assertEqual(Child2.__mutable_keys__, frozenset({'a'}))
 
     def test_cannot_make_mutable_key_readonly(self):
         class Base(TypedDict):