Python小白，学习时候用到bs4解析网站，报错 bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library? 1 几经周折才知道是bs4调用了python自带的html解析器，我用的ma

使用BeautifulSoup的时候提示以下错误： bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: html5lib. Do you need to install a parser library? 解决方案： pip install html5lib