pip3 insatll ./python-gssapi-0.6.4.tar.gz 报错

Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-d7ng3hb6-build/
You are using pip version 9.0.1, however version 18.1 is available.
You should consider upgrading via the ‘pip install --upgrade pip’ command.

解决办法：

python -m pip install --upgrade --force pip

pip install setuptools==33.1.1

在执行 就成功了