Consistent layout

integration/test_mvc.py

@@ -1738,7 +1738,7 @@ class TestModelverseCore(unittest.TestCase):
                     "Source name?",
                     "Destination name?",
                     "Instantiation successful!",
-                    None,
+                None,
                     "Please give your command.",
                     "Which element do you want to assign an attribute to?",
                     "Which attribute do you wish to assign?",