diff --git a/tests/test_js_graph.py b/tests/test_js_graph.py
index af58d543..961da679 100644
--- a/tests/test_js_graph.py
+++ b/tests/test_js_graph.py
@@ -1487,7 +1487,10 @@ def test_get_edge_terminals_error_not_an_edge(graph_cases, selenium_extras) -> N
     with pytest.raises(WebDriverException) as e:
         graph.eval_js_function('api.getEdgeTerminals', graph.get_id(vertex))
 
-    assert f"Cell with id {graph.get_id(vertex)} is not an edge" in selenium_extras.get_exception_message(e)
+    assert (
+        f"Cell with id {graph.get_id(vertex)} is not an edge"
+        in selenium_extras.get_exception_message(e)
+    )
 
 
 def test_custom_font_family(graph_cases_factory, port) -> None: