test_logging: fixed bug in failure diagnostics.
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 505ce6e..f215834 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -3526,8 +3526,8 @@
msg = 'No rotated files found, went back %d seconds' % GO_BACK
if not found:
#print additional diagnostics
- dn = os.path.dirname(self.fn)
- files = [f for f in os.listdir(dn) if f.startswith(self.fn)]
+ dn, fn = os.path.split(self.fn)
+ files = [f for f in os.listdir(dn) if f.startswith(fn)]
print('Test time: %s' % now.strftime("%Y-%m-%d %H-%M-%S"))
print('The only matching files are: %s' % files)
self.assertTrue(found, msg=msg)