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opencv cv2.waitKey() do not work well with python idle or ipython #6452

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GitHub

Win32 HighGUI Backend - waitKey() no longer exits when window is closed

OpenCV: 3.4.2 (first occurrence), 3.4.3, 4.0.0-beta (standard distribution builds) Platform: Win10 x64 (using both 32bit and 64bit builds) Language: Python In 3.4.1 and earlier, you'd get a -1 from ...