in simulation_ws/src/robot_fleet/scripts/gazebo_model_mover.py [0:0]
def init_subs(self):
rospy.wait_for_service('/gazebo/spawn_sdf_model')
self.add_model = rospy.ServiceProxy('/gazebo/spawn_sdf_model', SpawnModel)
rospy.wait_for_service('/gazebo/delete_model')
self.delete_model = rospy.ServiceProxy('/gazebo/delete_model',DeleteModel)