diff --git a/tests/test_utils.py b/tests/test_utils.py
index 475c5ebd..35334b02 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -51,7 +51,7 @@ class MyTests(unittest.TestCase):
             # C locale format with non-UTC tz (found in modified vmstat cli output)
             '2021-09-16 20:32:28 PDT': {'string': '2021-09-16 20:32:28 PDT', 'format': 7250, 'naive': 1631849548, 'utc': None},
             # C locale format (found in modified vmstat cli output)
-            '2021-09-16 20:32:28 UTC': {'string': '2021-09-16 20:32:28 UTC', 'format': 7255, 'naive': 1631849548, 'utc': 1631824348},  
+            '2021-09-16 20:32:28 UTC': {'string': '2021-09-16 20:32:28 UTC', 'format': 7255, 'naive': 1631849548, 'utc': 1631824348},
             # C locale format (found in timedatectl cli output)
             'Wed 2020-03-11 00:53:21 UTC': {'string': 'Wed 2020-03-11 00:53:21 UTC', 'format': 7300, 'naive': 1583913201, 'utc': 1583888001},
             # test with None input