` This application failed to start because it could not find or load the Qt platform plugin "xcb" in "".
Reinstalling the application may fix this problem. ` 解决方案,如果你安装了anaconda,或者miniconda,找到所在文件夹下的library\plugins的plantforms文件夹,将他复制到G:\Anaconda2.7下,也就是和python.exe同一目录下即可。 G:\Anaconda2.7\Library\plugins