pip安装报错 Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-SPz2QZ/cryp......

pip安装报错 Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-SPz2QZ/cryptography 解决方法

解决方式，去安装 setuptools

命令：

pip install --upgrade setuptools

搞定 。