Traceback (most recent call last): File "scan_doc.py", line 21, in <module> _, contours, _ = cv2.findContours(edge, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE) ValueError: not enough values to unpack (expected 3, got 2)
Traceback (most recent call last):
File "scan_doc.py", line 21, in
_, contours, _ = cv2.findContours(edge, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE)
ValueError: not enough values to unpack (expected 3, got 2)