diff --git a/launch/simulation.launch.py b/launch/simulation.launch.py
index bbaeb76..c70dba4 100644
--- a/launch/simulation.launch.py
+++ b/launch/simulation.launch.py
@@ -185,8 +185,8 @@ def generate_launch_description():
     # @TODO: pal_pcl_points_throttle_and_filter
 
     packages = ['tiago_description', 'pmb2_description',
-                'hey5_description', 'pal_gripper_description', 
-                'pal_robotiq_description' ]
+                'hey5_description', 'pal_gripper_description',
+                'pal_robotiq_description']
     model_path = get_model_paths(packages)
     resource_path = get_resource_paths(packages)