当我使用 pip instlal cytoolz 时， 报以下错误：
error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": https://visualstudio.microsoft.com/downloads/
----------------------------------------
Failed building wheel for cytoolz
一，找到一些资料 https://stackoverflow.com/questions/43370851/failed-building-wheel-for-spacy
二，打开 https://www.lfd.uci.edu/~gohlke/pythonlibs/#cytoolz 下载 对应系统，对应版本的文件
三，pip install C:\Users\shuaijun.chen\Downloads\cytoolz-0.9.0.1-cp37-cp37m-win_amd64.whl
转载于:https://my.oschina.net/slagga/blog/2988656