gh-103193: Fix refleaks in test_inspect and test_typing

AlexWaygood · AlexWaygood · commit e52cce67e0ef · 2023-05-09T11:38:10.000+01:00
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
@@ -69,6 +69,7 @@ def revise(filename, *args):
 def tearDownModule():
     if support.has_socket_support:
         asyncio.set_event_loop_policy(None)
+    inspect._shadowed_dict_from_mro_tuple.cache_clear()
 
 
 def signatures_with_lexicographic_keyword_only_parameters():
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
@@ -56,6 +56,10 @@
 CANNOT_SUBCLASS_INSTANCE = 'Cannot subclass an instance of %s'
 
 
+def tearDownModule():
+    inspect._shadowed_dict_from_mro_tuple.cache_clear()
+
+
 class BaseTestCase(TestCase):
 
     def assertIsSubclass(self, cls, class_or_tuple, msg=None):
