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-rw-r--r--test/test_utils.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/test_utils.py b/test/test_utils.py
index 04d355b4f..9ff13a369 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -126,6 +126,7 @@ class TestUtil(unittest.TestCase):
self.assertTrue(timeconvert('bougrg') is None)
def test_sanitize_filename(self):
+ self.assertEqual(sanitize_filename(''), '')
self.assertEqual(sanitize_filename('abc'), 'abc')
self.assertEqual(sanitize_filename('abc_d-e'), 'abc_d-e')