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-rw-r--r--Lib/test/test_mailbox.py3
1 files changed, 1 insertions, 2 deletions
diff --git a/Lib/test/test_mailbox.py b/Lib/test/test_mailbox.py
index d4628f9..bb24d5d 100644
--- a/Lib/test/test_mailbox.py
+++ b/Lib/test/test_mailbox.py
@@ -702,8 +702,7 @@ class TestMaildir(TestMailbox, unittest.TestCase):
self.assertEqual(self._box._factory, factory)
for subdir in '', 'tmp', 'new', 'cur':
path = os.path.join(self._path, subdir)
- mode = os.stat(path)[stat.ST_MODE]
- self.assertTrue(stat.S_ISDIR(mode), "Not a directory: '%s'" % path)
+ self.assertTrue(os.path.isdir(path), f"Not a directory: {path!r}")
def test_list_folders(self):
# List folders