commit 48f99250ff319e36b15b555128cd62e408d8165f
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Wed Sep 16 07:35:14 2020 -0700
committer GitHub <noreply@github.com> Wed Sep 16 07:35:14 2020 -0700
tree b2d3308cfff3bce8a0e83a999ad8b074baa99ce5
parent 6a39888c2c4bcfbcdc61a1953911ad30c62da1ef

bpo-41517: do not allow Enums to be extended (GH-22271)


fix bug that let Enums be extended via multiple inheritance
(cherry picked from commit 3064dbf5df1021e85b507366a7ea448c8895efe7)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>

Lib/test/test_enum.py

diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 0983513..0ecf641 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -1001,6 +1001,9 @@
                 cyan = 4
                 magenta = 5
                 yellow = 6
+        with self.assertRaisesRegex(TypeError, "EvenMoreColor: cannot extend enumeration 'Color'"):
+            class EvenMoreColor(Color, IntEnum):
+                chartruese = 7
 
     def test_exclude_methods(self):
         class whatever(Enum):