Error writing to CMYK images

[SchroDr]

If the image on dlsite is in CMYK format, then an error occurs when writing the image.

OSError: cannot write mode CMYK as PNG

I handled this locally, adding code to convert CMYK images to RGB images in utils.py

def get_png_byte_arr(im: Image.Image) -> BytesIO:
    if im.mode == 'CMYK':
        im = im.convert('RGB')
    img_byte_arr = io.BytesIO()
    im.save(img_byte_arr, "png")
    return img_byte_arr

Hope you can also fix the bugs in the github code to avoid similar problems when others use it.
Your code is very useful and convenient. Thank you.

[野辺叶]

Thank you for sharing this problem. I will handle it as soon as possible.