diff --git a/tests/test_rules_agent_controls.py b/tests/test_rules_agent_controls.py
index c839a0d..bd0b980 100644
--- a/tests/test_rules_agent_controls.py
+++ b/tests/test_rules_agent_controls.py
@@ -94,7 +94,10 @@ def test_ag033_pandas_drop_clean() -> None:
 
 
 def test_ag033_harmless_tool_clean() -> None:
-    assert run_rule(IrreversibleDataDestructionRule(), "@tool\ndef summarize(t):\n    return t\n") == []
+    assert (
+        run_rule(IrreversibleDataDestructionRule(), "@tool\ndef summarize(t):\n    return t\n")
+        == []
+    )
 
 
 # --- AG009 --------------------------------------------------------------------