bert_data_utils.py文件中 错误ValueError: max() arg is an empty sequence

[impltrait]

Traceback (most recent call last): File "model.py", line 505, in model.train() File "model.py", line 284, in train self.train_data = BertDataUtils(tokenizer, batch_size=5) File "C:\Users\admin\Desktop\ChineseNER\bert_data_utils.py", line 28, in init self.prepare_batch() File "C:\Users\admin\Desktop\ChineseNER\bert_data_utils.py", line 77, in prepare_batch pad_data = self.pad_data(self.data[-self.batch_size:]) File "C:\Users\admin\Desktop\ChineseNER\bert_data_utils.py", line 87, in pad_data max_length = max([len(i[0]) for i in c_data] ) ValueError: max() arg is an empty sequence

这个问题怎么解决

[yanwii]

self.data[-self.batch_size:] 是空列表