FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library
问题描述
在学习《PYTHON网络爬虫从入门到实践》一书时，用 jupyter notebook 运行书中代码时遇到如下报错
FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library
出错原因
由于PYTHON3中没有html解析器，即lxml
解决方法
sudo pip3 install lxml
安装完重新启动 jupyter notebook 即可