New comment by anjandev on void-packages repository

https://github.com/void-linux/void-packages/pull/39928#issuecomment-1277058375

Comment:
Tests fail with:

```
ModuleNotFoundError: No module named 'Image'
```

This function requires an optional dependency: `python3-Pillow`. I tested it with that package and it works. The optional dependency is already recommended when the user installs.