diff --git a/features/steps/tui_permission_question_widget_steps.py b/features/steps/tui_permission_question_widget_steps.py
index 876843651..54e00b08c 100644
--- a/features/steps/tui_permission_question_widget_steps.py
+++ b/features/steps/tui_permission_question_widget_steps.py
@@ -159,9 +159,7 @@ def step_set_widget_show_diff(context: object, raw_value: str) -> None:
 def step_check_widget_show_diff(context: object, expected: str) -> None:
     expected_bool = expected.strip().lower() == "true"
     actual = context.widget.show_diff  # type: ignore[attr-defined]
-    assert actual is expected_bool, (
-        f"Expected show_diff={expected_bool}, got {actual}"
-    )
+    assert actual is expected_bool, f"Expected show_diff={expected_bool}, got {actual}"
 
 
 # ---------------------------------------------------------------------------