[Error] Error occur when processing some images.

[CaptainEven]

/home/jaya/.local/lib/python3.7/site-packages/imquality/brisque.py:45: FutureWarning: The behavior of rgb2gray will change in scikit-image 0.19. Currently, rgb2gray allows 2D grayscale image to be passed as inputs and leaves them unmodified as outputs. Starting from version 0.19, 2D arrays will be treated as 1D images with 3 channels.
self.image = skimage.color.rgb2gray(self.image)
Traceback (most recent call last):
File "/home/jaya/.local/lib/python3.7/site-packages/imquality/statistics.py", line 117, in estimate_alpha
assert solution.success
AssertionError

[ocampor]

Hello, thanks for your report. Is it possible for you @CaptainEven to create a PR with a quick fix?