PIP安装Python的scipy,scrapy等包出现“failed building wheel for xxx”问题解决办法
1.在这里下载对应的.whl文件,注意别改文件名!http://www.lfd.uci.edu/~gohlke/pythonlibs/#lxmlCtrl+F,输入lxml,找到下面这段Lxml,abindingforthelibxml2andlibxsltlibraries.lxml‑3.4.4‑cp27‑none‑win32.whllxml‑3.4.4‑cp27‑none‑win_amd64.w