diff --git a/omniverse/extension/omni.viplanner/omni/viplanner/collectors/terrain_analysis_cfg.py b/omniverse/extension/omni.viplanner/omni/viplanner/collectors/terrain_analysis_cfg.py
index dd11c82..5d3a752 100644
--- a/omniverse/extension/omni.viplanner/omni/viplanner/collectors/terrain_analysis_cfg.py
+++ b/omniverse/extension/omni.viplanner/omni/viplanner/collectors/terrain_analysis_cfg.py
@@ -6,8 +6,8 @@
 
 from __future__ import annotations
 
-from omni.viplanner.config import MatterportSemanticCostMapping
 from omni.isaac.lab.utils import configclass
+from omni.viplanner.config import MatterportSemanticCostMapping
 
 
 @configclass
diff --git a/omniverse/extension/omni.viplanner/omni/viplanner/viplanner/viplanner_algo.py b/omniverse/extension/omni.viplanner/omni/viplanner/viplanner/viplanner_algo.py
index 6247083..19f4b8a 100644
--- a/omniverse/extension/omni.viplanner/omni/viplanner/viplanner/viplanner_algo.py
+++ b/omniverse/extension/omni.viplanner/omni/viplanner/viplanner/viplanner_algo.py
@@ -53,6 +53,7 @@ def __init__(self, model_dir: str, fear_threshold: float = 0.5, device: str = "c
         # in headless mode, we cannot visualize the graph and omni.debug.draw is not available
         try:
             import omni.isaac.debug_draw._debug_draw as omni_debug_draw
+
             self.draw = omni_debug_draw.acquire_debug_draw_interface()
         except ImportError:
             print("[WARNING] Graph Visualization is not available in headless mode.")