NameError: name 'platform_system' is not defined
解决方案
pip2.7 install --upgrade pip -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
pip3.3 install --upgrade pip -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
pip install --upgrade setuptools -i http://pypi.douban.com/simple --trusted-host pypi.douban.com
来源:CSDN
作者:追光叶子
链接:https://blog.csdn.net/u010988585/article/details/103782396