0 2 cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2 ( 2020-11-22 03:01:05 -0600 )
0 2 cv2.error: OpenCV(4.4.0)error: (-215:Assertion failed) !_src.empty() in function 'cv::cvtColor', 14errors module cv2 ( 2020-11-21 14:27:46 -0600 )