diff --git a/retro/testing/tools.py b/retro/testing/tools.py
index 8e7c7a256..a1ada6378 100644
--- a/retro/testing/tools.py
+++ b/retro/testing/tools.py
@@ -143,7 +143,10 @@ def verify_scenario(game, inttype, scenario="scenario", raw=None, dataraw=None):
                 warnings.append((file, f"missing reward in rewards[{i:d}]"))
             elif "variables" in r and "script" in r:
                 warnings.append(
-                    (file, f"both variables and script present in rewards[{i:d}]"),
+                    (
+                        file,
+                        f"both variables and script present in rewards[{i:d}]",
+                ),
                 )
         if "reward" in scen:
             warnings.append((file, "reward and rewards both present"))