Mac下安装Scrapy

执行 sudo pip install Scrapy 时会碰到libxml/xmlversion file no found

解决方法:

brew install libxml2
brew install libxslt
brew link libxml2 --force
brew link libxslt --force


再 pip install --upgrade pip 
原文地址:https://www.cnblogs.com/sinkzephyr/p/5171485.html