diff --git a/examples/e11_platoon/inference/contrib_policy/filter_obs.py b/examples/e11_platoon/inference/contrib_policy/filter_obs.py
index 7eae691630..21e7b4ccda 100644
--- a/examples/e11_platoon/inference/contrib_policy/filter_obs.py
+++ b/examples/e11_platoon/inference/contrib_policy/filter_obs.py
@@ -121,4 +121,3 @@ def filter(self, obs: Dict[str, Any]) -> Dict[str, Any]:
 
         return filtered_obs
         # fmt: on
-