qt.qpa.plugin: Could not load the Qt platform plugin “xcb“解决方案


qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/wuyao/.conda/envs/exeggutor/lib/python3.8/site-packages/cv2/qt/plugins" 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: xcb, eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl.

解决方案:
export QT_QPA_PLATFORM=offscreen 

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