qpython运行
原代码： soup = BeautifulSoup(r.text,'lxml')
报错：bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?
改成： soup = BeautifulSoup(r.text,'html.parser')
ok
来源：https://www.cnblogs.com/jiangsonglin/p/11871999.html