Failed building wheel for Twisted
inculde/site/python3.5/Twisted failed with error code 1 in tmp/pip-install-y4-0q.....
sudo apt-get install build-essential libssl-dev libffi-dev python3.5-dev
# 或者 sudo aptitude install python3.5-dev pip install scrapy
搞定！
ubuntu16.04 pip install scrapy 报错处理
原文：https://www.cnblogs.com/jkmiao/p/9787123.html