RuntimeError: Default process group has not been initialized, please make sure to call init_process_group.

[wuhongsheng]

I try finetune on my data output error

python3 main_finetune_as.py
--model $model
--dataset $dataset
--data_train $audioset_train_all_json
--data_eval $audioset_eval_json
--label_csv $audioset_label
--finetune $ckpt
--blr $blr
--epochs 30
--warmup_epochs 2
--first_eval_ep 2
--dist_eval
--batch_size 8
--roll_mag_aug True
--nb_classes 9 \

[wuhongsheng]

OMP_NUM_THREADS=1 python3 -m torch.distributed.launch --nproc_per_node=2 --use_env main_finetune_as.py \