1.centos7内置python,安装pip yum install -y python-pip 后,在使用pip中有一些库安装会提示升级pip,但升级后,pip不可用了
2.解决方法1:卸载重装pip:yum remove -y python-pip && yum install -y python-pip
3.若方法1操作后任然不行,报错如下,此时删除/usr/lib/python2.7/site-packages/logging即可:mv /usr/lib/python2.7/site-packages/logging /usr/lib/python2.7/site-packages/logging.bak