How to fix the error “QObject::moveToThread:” in opencv in python?

Question

I am using opencv2 in python with the code

import cv2
cv2.namedWindow(\"output\", cv2.WINDOW_NORMAL)       
cv2.imshow(\"output\",im)
cv2.resizeWindow(\'outp         


        

Answer 1

The openCv author says that this problem comes from different Qt versions in openCv and the linux distro. That is: openCv comes with Qt4, but Qt5 is already installed.