1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 2a589f5a3b..018e3fdab7 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -152,6 +152,11 @@ class TestEnum(unittest.TestCase):
         with self.assertRaises(AttributeError):
             Season.SPRING.value = 2
 
+    def test_changing_member(self):
+        Season = self.Season
+        with self.assertRaises(AttributeError):
+            Season.WINTER = 'really cold'
+
     def test_invalid_names(self):
         with self.assertRaises(ValueError):
             class Wrong(Enum):