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-rw-r--r--Lib/test/test_os.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 1e67e7a..618c18a 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -1040,6 +1040,9 @@ class MakedirTests(unittest.TestCase):
os.makedirs(path, mode=mode, exist_ok=True)
os.umask(old_mask)
+ # Issue #25583: A drive root could raise PermissionError on Windows
+ os.makedirs(os.path.abspath('/'), exist_ok=True)
+
def test_exist_ok_s_isgid_directory(self):
path = os.path.join(support.TESTFN, 'dir1')
S_ISGID = stat.S_ISGID