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| 2020-04-19 15:51:45 -0600 | answered a question | Opencv-python kivy app running in Android - Camera does not open, issued error: (-215: Assertion failed)! _src.empty () in function 'cvtColor' I tried this too, the issue is cv2.VideoCapture(1).isOpened() == False , always I used cv2.VideoCapture(1), and tr |