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# 维护注意事项
# 如何升级Python版本
电脑上安装一个Python2.7环境，同时使用Pip安装requests模块,pip install requests, pip install Scons，把安装在C盘下的Python27文件夹复制到env下面替换原来的，同时要把C:\Windows\System32\python27.dll下的python27.dll也复制到python27文件夹下就可以了