2020-11-21 14:21:54 -0600 | asked a question | cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2 cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2 cap |