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I was using PythonCV APIs in Ubuntu, but I run into an error which I wasn't able to solve. The error was on polyline function.

I then switched to Fedora 19. Insofar, everything works for my PythonCV experiments. Although I have to do "cv2.namedWindow('WorkAroundTheCoreDump')" at the beginning of my Python main model if I am going to use cv2 named window. Without it, imshow() and namedWindow() will cause a core dump. I am guessing this may have something to do Fedora's stricter security.

I am interested to hearing your experience.