How to use the ninja.Selections.nothing function in ninja

no_rumble = time.time() + 1
    move_last_value = None
    move = common.get_move(move_serial, move_num)
    team_colors = common.generate_colors(team_num)
    #keep on looping while move is not dead
    ready = False
    move.set_leds(0,0,0)
    move.update_leds()
    time.sleep(1)

    death_time = 8
    time_of_death = time.time()


    move_opts[Opts.holding.value] = Holding.not_holding.value
    move_opts[Opts.selection.value] = Selections.nothing.value

    while True:
        if sum(force_color) != 0:
            no_rumble_time = time.time() + 5
            time.sleep(0.01)
            move.set_leds(*force_color)
            move.update_leds()
            move.set_rumble(0)
            no_rumble = time.time() + 0.5
        #if we are not dead
        elif dead_move.value == 1:
            if move.poll():
                ax, ay, az = move.get_accelerometer_frame(psmove.Frame_SecondHalf)
                total = sum([ax, ay, az])
                if move_last_value is not None:
                    change = abs(move_last_value - total)