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

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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

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解决方式，去安装 setuptools

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命令：

pip install --upgrade setuptools

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搞定 。