python3 bs4解析网页时报错: bs4.FeatureNotFound: Couldn’t find a tree builder with the features you requested: lxml. bs4调用了python自带的html解析器,python3没有html解释器,所以会报错.给python3装一个html解析器:pip3 install lxml
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? 几经周折才知道是bs4调用了python自带的html解析器,我用的mac,默认安装的是python2,所以内置的解释器也是捆绑在python2上,而我学习的时候又自己安装了python3