如何在flow中使用变道模型SL2015？

from flow.core.params import VehicleParams
from flow.core.params import SumoCarFollowingParams
from flow.controllers import SimLaneChangeController

# 定义变道模型参数
lane_change_params = SumoLaneChangeParams(
    lane_change_mode="SL2015",
    lc_sublane="yes"
)

# 定义车辆参数
vehicles = VehicleParams()
vehicles.add(
    veh_id="car",
    acceleration_controller=(SimLaneChangeController, {}),
    lane_change_params=lane_change_params,
    car_following_params=SumoCarFollowingParams()
)

# 导入变道模型
flow_params = dict(
    # 其他参数配置
    vehicles=vehicles
)

from flow.controllers import SimLaneChangeController

# 定义车辆参数
vehicles = VehicleParams()
vehicles.add(
    veh_id="car",
    acceleration_controller=(SimLaneChangeController, {}),
    lane_change_params=SumoLaneChangeParams(
        lane_change_mode="SL2015",
        lc_sublane="yes"
    ),
    car_following_params=SumoCarFollowingParams()
)

# 其他配置参数
flow_params = dict(
    # 其他参数配置
    vehicles=vehicles
)