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-rw-r--r--Lib/test/test_csv.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index 2411a91..a1e050a 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -1237,6 +1237,9 @@ class MiscTestCase(unittest.TestCase):
extra = {'__doc__', '__version__'}
support.check__all__(self, csv, ('csv', '_csv'), extra=extra)
+ def test_subclassable(self):
+ # issue 44089
+ class Foo(csv.Error): ...
if __name__ == '__main__':
unittest.main()