Factory method to convert a batch of model images to a list of ModelImageSet.

def get_list_from_model(learn:Learner, ds_type:DatasetType, batch:Tuple)->[]:
        "Factory method to convert a batch of model images to a list of ModelImageSet."
        image_sets = []
        x,y = batch[0],batch[1]
        preds = learn.pred_batch(ds_type=ds_type, batch=(x,y), reconstruct=True)  
        for orig_px, real_px, gen in zip(x,y,preds):
            orig, real = Image(px=orig_px), Image(px=real_px)
            image_set = ModelImageSet(orig=orig, real=real, gen=gen)
            image_sets.append(image_set)
        return image_sets