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-rw-r--r--Lib/test/test_typing.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index 5eb6d28..79fba26 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -1800,6 +1800,11 @@ class UnionTests(BaseTestCase):
A = 0
B = 1
+ self.assertEqual(Union[Literal[Ints.A], Literal[Ints.A]],
+ Literal[Ints.A])
+ self.assertEqual(Union[Literal[Ints.B], Literal[Ints.B]],
+ Literal[Ints.B])
+
self.assertEqual(Union[Literal[Ints.A], Literal[Ints.B]].__args__,
(Literal[Ints.A], Literal[Ints.B]))