/Python/Valueerror need more than 2 values to unpack findcontours

Valueerror need more than 2 values to unpack findcontours

if cv2.getVersionMajor() in [2, 4]:
    # OpenCV 2, OpenCV 4 case
    contour, hier = cv2.findContours(
                    thresh.copy(), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_NONE)
else:
    # OpenCV 3 case
    image, contour, hier = cv2.findContours(
                    thresh.copy(), cv2.RETR_CCOMP, cv2.CHAIN_APPROX_NONE)

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