ValueError

[ABeater]

My Input:

C:\Users\l0calh0st\Desktop\Manga\manga-translator-master>py -2.7 manga_translate.py
C:\Users\l0calh0st\Desktop\Manga\manga-translator-master\img\deathnote-1.jpg  C:\Users\l0calh0st\Desktop\Manga\manga-translator-master\out

Error Output:

Traceback (most recent call last):
  File "manga_translate.py", line 30, in <module>
    main()
  File "manga_translate.py", line 19, in main
    blurbs = locate_bubbles.get_blurbs(img)
  File "C:\Users\l0calh0st\Desktop\Manga\manga-translator-master\locate_bubbles.py", line 46, in get_blurbs
    im2, contours, hierarchy = cv2.findContours(img_gray,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
ValueError: need more than 2 values to unpack

opencv Version: 4.1.1.26