Post delete image

from django.db.models.signals import post_delete
from django.dispatch.dispatcher import receiver
import os, shutil

@receiver(post_delete, sender=CameraImage)
def file_cleanup(sender, instance, **kwargs):
    if instance.image and os.path.exists(instance.image.path):
        folder = os.path.dirname(instance.image.path)
        os.remove(instance.image.path)

        if not os.listdir(folder):
            shutil.rmtree(folder, ignore_errors=True)