方案一
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py | python get-pip.py
方案二
yum -y install epel-release
yum -y install python-pip
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py | python get-pip.py
yum -y install epel-release
yum -y install python-pip