RuntimeError: Unknown exception at main.py line 131

[3togo]

Any pointer on how to fix it?

eli@eli-desktop:~/git/DepthFromDefocus$ python3 main.py . INFO: Set logging level: INFO INFO: Reading images from ./[jgptJGPT][pinPIN][gfGF] ['./Adopt-a-cat-or-kitten-from-RSPCA.jpg'] INFO: Aligning images with rigid transform. (lx, ly)=(0 0), (rx, ry)=(800 1020) _stack[0].shape= (1020, 800) INFO: Generating all-in-focus image. Traceback (most recent call last): File "main.py", line 309, in main(images, abs_path) File "main.py", line 249, in main graph_img, aif_img = all_in_focus(bw_images, unary_scale, pair_scale) File "main.py", line 131, in all_in_focus graph_img = cut_simple(unary.astype(np.int32),pairwise.astype(np.int32),n_iter=1) File "gco_python.pyx", line 63, in pygco.cut_simple RuntimeError: Unknown exception