def handle_reset_simulation(self, req):
    'Callback to handle the service offered by this node to reset the simulation'
    self.get_logger().info('reseting simulation now')
    self.pb.resetSimulation()
    return Empty()
Callback to handle the service offered by this node to reset the simulation
def handle_reset_simulation(self, req):
    
    self.get_logger().info('reseting simulation now')
    self.pb.resetSimulation()
    return Empty()