diff --git a/sim/scripts/simulate_urdf.py b/sim/scripts/simulate_urdf.py
index 0a0dcde0..fb6e5a93 100755
--- a/sim/scripts/simulate_urdf.py
+++ b/sim/scripts/simulate_urdf.py
@@ -12,6 +12,7 @@
 from typing import Any, Dict, Literal, NewType
 
 from isaacgym import gymapi, gymtorch, gymutil
+
 from sim.env import stompy_urdf_path
 from sim.logging import configure_logging
 from sim.stompy.joints import Stompy