qt.qpa.xcb: could not connect to display
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb.
虽然网上有已解决的，但是这些解决方法放到Colab中，我根本不知道如何去操作 ToT。例如以下两篇：
(https://blog.csdn.net/sinat_26106275/article/details/82778951 "")
(https://blog.csdn.net/qq21497936/article/details/85396652 "")
https://blog.csdn.net/sinat_26106275/article/details/82778951