安装第三方包的时候报错
Command "python setup.py egg_info" failed with error code 1 解决
更新pip
pip install --upgrade pip 再安装需要安装的第三方扩展包
参考：
Command “python setup.py egg_info” failed with error code 1…安装第三方包的时候报错
Command "python setup.py egg_info" failed with error code 1 更新pip
pip install --upgrade pip 再安装需要安装的第三方扩展包
参考：
Command “python setup.py egg_info” failed with error code 1…![TestLink导出用例转换工具(XML2Excel)[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)