def as_PIL_merged(self):
        bbox = BBox(0, 0, self.header.width, self.header.height)
        return merge_layers(self.layers, bbox=bbox)
Unregister the FilteredImage subclass currently assigned to
dataset/ETHPy150Open psd-tools/psd-tools/src/psd_tools/user_api/psd_image.py/PSDImage.as_PIL_merged--crossover with--dataset/ETHPy150Open WGBH/django-versatileimagefield/versatileimagefield/registry.py/VersatileImageFieldRegistry.unregister_filter