i keep gettign the following error when terminal is attempting to install. any suggestions, didnt realize it would be this technical to install.
ERROR:
Traceback (most recent call last):
File "/Users/bean/Library/Application Support/Aseprite/extensions/RetroDiffusion/stable-diffusion-aseprite/../python/setup.py", line 536, in <module>
from PIL import Image
ModuleNotFoundError: No module named 'PIL'