python报错bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml.


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


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