diff --git a/vizro-core/tests/unit/vizro/actions/test_actions_utils.py b/vizro-core/tests/unit/vizro/actions/test_actions_utils.py
index 542a8b8e4..56e09f899 100644
--- a/vizro-core/tests/unit/vizro/actions/test_actions_utils.py
+++ b/vizro-core/tests/unit/vizro/actions/test_actions_utils.py
@@ -47,12 +47,7 @@ def test_update_nested_graph_properties_multiple_levels(self, graph, dot_separat
                 "red",
                 {"nodes": {"A": {"color": "blue"}, "B": "red"}},
             ),
-            (
-                {},
-                "color",
-                "red",
-                {"color": "red"}
-            )
+            ({}, "color", "red", {"color": "red"}),
         ],
     )
     def test_update_nested_graph_properties_add_or_overwrite_keys(self, graph, dot_separated_strings, value, expected):