Python | pypi安装提示error invalid command 'egg_info'

一、简介

之前在安装psdash老是报错，找了很久原因才发现时python的包管理工具setuptools版本太旧导致的，升级完之后就没问题了

/usr/lib64/python2.6/distutils/dist.py:266: UserWarning: Unknown distribution option: 'extras_require'
warnings.warn(msg)
/usr/lib64/python2.6/distutils/dist.py:266: UserWarning: Unknown distribution option: 'zip_safe'
...

二、升级setuptools

pip install --upgrade setuptools