FaceCrap described the issue in details here.
TLDR; Some images are being falsely reported as invalid because Pillow by default does not allow to load corrupted images with mangled blocks, example threads with such images: Naughty Lyanna and Maou-Sama.
FaceCrap described the issue in details here. TLDR; Some images are being falsely reported as invalid because Pillow by default does not allow to load corrupted images with mangled blocks, example threads with such images: Naughty Lyanna and Maou-Sama.