训练到第四个Epoch出现utils.py中的报错

[Bawanglongdexiaozhuazi]

2023-04-03 02:29:12 train data: 293175; test data: 96678 2023-04-03 02:38:48 Epoch 1/16: train loss: 611.8585879802704; 2023-04-03 02:48:07 Epoch 2/16: train loss: 424.87783089093864; 2023-04-03 02:57:30 Epoch 3/16: train loss: 373.0171359600499; positive_num: 1761; correct: 769.0 Traceback (most recent call last): File "main_att.py", line 176, in fire.Fire() File "/root/anaconda3/envs/pre/lib/python3.7/site-packages/fire/core.py", line 141, in Fire component_trace = _Fire(component, args, parsed_flag_args, context, name) File "/root/anaconda3/envs/pre/lib/python3.7/site-packages/fire/core.py", line 480, in Fire target=component.name) File "/root/anaconda3/envs/pre/lib/python3.7/site-packages/fire/core.py", line 691, in CallAndUpdateTrace component = fn(*varargs, **kwargs) File "main_att.py", line 80, in train save_pr(opt.result_dir, model.model_name, epoch, all_pre, all_rec, opt=opt.print_opt) File "/remote-home/Wei_SC/pytorch-relation-extraction-master/utils.py", line 15, in save_pr out = open('{}/{}{}{}_PR.txt'.format(out_dir, name, opt, epoch + 1), 'w') FileNotFoundError: [Errno 2] No such file or directory: './out/PCNN_ATT_DEF_4_PR.txt' 请问如何解决呢？