too many values to unpack

[kdiogenes]

I'm getting this error when trying to run the script https://github.com/danvk/oldnyc/blob/master/ocr/tess/crop_morphology.py:

$: ./crop_morphology.py untitled.jpg
untitled.jpg too many values to unpack

Any hint of what can be the issue?

[ecit241]

the same problem to u

[kdiogenes]

I find that the problem is in the call cv2.findContours. Maybe the script uses opencv2, from my distro repos I only find opencv3, but I have not had time to read the documentation.

[juliomax]

in older versions cv2.findContours return 2 values
in new versions of opencv, this funcion return 3 values, so you have to update the code to receive these 3 values:
Ex:
from contours, hierarchy = cv2.findContours
to something like this:
_, contours, hierarchy = cv2.findContours