安装python3.6
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:jonathonf/python-3.6
sudo apt-get update
sudo apt-get install python3.6
删除python3.5的pip
pip -V
apt-get remove python3-pip
apt-get autoremove
安装python3.6版本的pip
apt-get install python3-pip
python3.6 -m pip install --upgrade pip
查看
pip -V
