Should use posix_error here.
diff --git a/Lib/test/test_ntpath.py b/Lib/test/test_ntpath.py
index 237aec0..6464950 100644
--- a/Lib/test/test_ntpath.py
+++ b/Lib/test/test_ntpath.py
@@ -248,7 +248,7 @@
self.assertFalse(ntpath.sameopenfile(tf1.fileno(), tf2.fileno()))
# Make sure invalid values don't cause issues on win32
if sys.platform == "win32":
- with self.assertRaises(ValueError):
+ with self.assertRaises(OSError):
# Invalid file descriptors shouldn't display assert
# dialogs (#4804)
ntpath.sameopenfile(-1, -1)