What did you do?
Called ImageState.Stat.rms and for some images, we get a ZeroDivisionError. We do not have access to the images that triggered it and were not able to reproduce yet.
What did you expect to happen?
I expect Pillow to validate before dividing by zero.
What actually happened?
An error was thrown
What are your OS, Python and Pillow versions?
- OS: Windows 11, and Ubuntu
- Python: 3.10.15
- Pillow: 10.4.0
File "/usr/local/lib/python3.10/functools.py", line 981, in __get__
val = self.func(instance)
File "/usr/local/lib/python3.10/site-packages/PIL/ImageStat.py", line 144, in rms
return [math.sqrt(self.sum2[i] / self.count[i]) for i in self.bands]
File "/usr/local/lib/python3.10/site-packages/PIL/ImageStat.py", line 144, in <listcomp>
return [math.sqrt(self.sum2[i] / self.count[i]) for i in self.bands]
ZeroDivisionError: float division by zero
diff = ImageChops.difference(img1, img2)
stat = ImageStat.Stat(diff, mask=binary_mask)
rms = sum([v**2 for v in stat.rms]) ** 0.5
What did you do?
Called
ImageState.Stat.rmsand for some images, we get a ZeroDivisionError. We do not have access to the images that triggered it and were not able to reproduce yet.What did you expect to happen?
I expect Pillow to validate before dividing by zero.
What actually happened?
An error was thrown
What are your OS, Python and Pillow versions?