ubuntu cv2.imshow显示图片问题

环境

ubuntu20
python==3.7.10
opencv-python==4.3.0.36

代码

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
from cv2 import cv2

if __name__ == '__main__':
    img = cv2.imread('test.png')
    cv2.imshow('src', img)
    cv2.waitKey()
    cv2.destroyAllWindows()

顺带一提

sudo apt-get install libcanberra-gtk-module

没有用

解决方法
升级opencv-python到4.3.0.38及以上

参考：
https://github.com/opencv/opencv-python/issues/362