升级pip
在Linux或macOS上:
pip install -U pip
在 Windows 平台上:
python -m pip install -U pip
sudo su root
apt-get purge -y python-pip
wget https://bootstrap.pypa.io/get-pip.py
python ./get-pip.py
apt-get install python-pip
sudo -H pip3 install --upgrade pip
sudo -H pip2 install --upgrade pip
python -m pip install --upgrade pip