单卡训练报错ValueError: paddle.distributed initialize error, environment variable FLAGS_selected_gpus is needed, but not set.

[gongchenting]

启动命令
export CUDA_VISIBLE_DEVICES=1
python3.7 tools/train.py -c ./ppcls/configs/car/car_poolformer_tricks_v15_re3.yaml
环境信息
Python 3.7.0
CUDA Version: 11.4
GPU: V100
paddle: 2.4.1

[cuicheng01]

您好，请问您是几张卡呢？