From e2af34fcf84b41189b54e1f2912faded5daabaca Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Mon, 17 Dec 2018 16:43:14 +0200 Subject: bpo-35504: Fix a SystemError when delete the characters_written attribute of an OSError. (GH-11172) --- Lib/test/test_exception_hierarchy.py | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'Lib/test/test_exception_hierarchy.py') diff --git a/Lib/test/test_exception_hierarchy.py b/Lib/test/test_exception_hierarchy.py index 8649596790..43b4af8403 100644 --- a/Lib/test/test_exception_hierarchy.py +++ b/Lib/test/test_exception_hierarchy.py @@ -150,10 +150,15 @@ class AttributesTest(unittest.TestCase): e = BlockingIOError(*args[:n]) with self.assertRaises(AttributeError): e.characters_written + with self.assertRaises(AttributeError): + del e.characters_written e = BlockingIOError("a", "b", 3) self.assertEqual(e.characters_written, 3) e.characters_written = 5 self.assertEqual(e.characters_written, 5) + del e.characters_written + with self.assertRaises(AttributeError): + e.characters_written class ExplicitSubclassingTest(unittest.TestCase): -- cgit v1.2.1