refs:
https://github.com/pypa/pip/issues/4825
https://github.com/pypa/pip/issues/4110
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd5 in position 24: invalid continuation byte
此方法涉及权限问题:
pip install -U git+https://github.com/pypa/pip
测试OK:
python -m pip install -U https://github.com/pypa/pip/archive/master.zip