问题描述: 在有几台电脑上pip install paramike报错

报错内容:

Could not find a version that satisfies the requirement sqlmap(from versions:)No matching distribution found for sqlmap

Could not fetch URL https://pypi.python.org/simple/pip/: There was a problem confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:590) - skipping
Requirement already up-to-date: pip in /usr/local/lib/python2.7/dist-packages/pip-9.0.1-py2.7.egg

ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443):Read timed out

解决方法：

使用豆瓣源安装

pip install paramike -i https://pypi.doubanio.com/simple/ --trusted-host pypi.doubanio.com

2018-08-01 安装stomp库下载报错，采用豆瓣源安装解决

pip install stomp.py -i https://pypi.doubanio.com/simple/ --trusted-host pypi.doubanio.com