python visualization/vis_frame.py error

[zkailinzhang]

(py38_cu111_torch1:~/code/TPVFormer$ python visualization/vis_frame.py --py-config config/tpv04_occupancy.py --work-dir out/tpv_occupancy --ckpt-path out/tpv_occupancy/latest.pth --save-path out/tpv_occupancy/frames --frame-idx 4509 --mode 0
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.

Aborted (core dumped)