ubantu16下Python3.5.2的pip3升级教程
You are using pip version 8.1.1, however version 10.0.1 is available. You should consider upgrading via the 'pip install --upgrade pip' install。
升级pip3
1.输入升级指令
sudo pip3 install --upgrade pip
注意：如果只进行这一步的话接下来的安装仍会报错，提示错误大致为：cannot import name 'main'。所以还需要修改/usr/bin/pip3文件，见第二步。
2.修改配置文件
sudo gedit /usr/bin/pip3
改成如下（最后一行和倒数第三行）：
#!/usr/bin/python3
# GENERATED BY DEBIAN
import sys
# Run the main entry point, similarly to how setuptools does it, but because
# we didn't install the actual entry point from setup.py, don't use the
# pkg_resources API.
from pip import __main__
if __name__ == '__main__':
sys.exit(__main__.main())
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