运行main.py报错

[jiangyuji666]

raceback (most recent call last):
File "/content/drive/MyDrive/BERT-BILSTM-CRF-main/main.py", line 193, in
main(data_name)
File "/content/drive/MyDrive/BERT-BILSTM-CRF-main/main.py", line 187, in main
report = train.test()
File "/content/drive/MyDrive/BERT-BILSTM-CRF-main/main.py", line 92, in test
report = classification_report(trues, preds)
File "/usr/local/lib/python3.10/dist-packages/seqeval/metrics/sequence_labeling.py", line 686, in classification_report
name_width = max(map(len, target_names))
ValueError: max() arg is an empty sequence

[jiangyuji666]

大佬，这是怎么回事

[taishan1994]

检查trues和preds是否有为空的。

[jiangyuji666]

好了，大佬这个数据集必须用bio格式吗，我用bmeo格式跑出来f1score,precision,recall全是0

[taishan1994]

是的，需要转换下。