python语言运行出现ValueError: empty vocabulary; perhaps the documents only contain stop words
我运行的代码出自https://github.com/sunxiangguo/chinese_text_classification,python是3.9的,pycharm是2020.3.3。训练集和测试集都是自带的,然后要自己创建两个文件夹来存放分词完之后的文本,后来执行TF-IDF的时候出现了以下错误C:/Users/qianyz/Downloads/chinese_text_classifi