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

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fix bug that let Enums be extended via multiple inheritance
(cherry picked from commit 3064dbf5df)

Co-authored-by: Ethan Furman <ethan@stoneleaf.us>
This commit is contained in:
Miss Islington (bot) 2020-09-16 07:35:14 -07:00 • committed by GitHub
parent 6a39888c2c
commit 48f99250ff
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3 changed files with 18 additions and 5 deletions
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Lib/test/test_enum.py
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@ -1001,6 +1001,9 @@ class TestEnum(unittest.TestCase):
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):