diff --git a/utils/test_utils.py b/utils/test_utils.py
index 6cac27e04e..6deeb8251a 100644
--- a/utils/test_utils.py
+++ b/utils/test_utils.py
@@ -45,10 +45,10 @@ def app(self) -> str:
     migrate_to = None
 
     def setUp(self) -> None:
-        assert self.migrate_from and self.migrate_to, (
-            "TestCase '{}' must define migrate_from and migrate_to properties".format(
-                type(self).__name__
-            )
+        assert (
+            self.migrate_from and self.migrate_to
+        ), "TestCase '{}' must define migrate_from and migrate_to properties".format(
+            type(self).__name__
         )
         self.migrate_from = [(self.app, self.migrate_from)]
         self.migrate_to = [(self.app, self.migrate_to)]