Update app.py

app.py

@@ -4,7 +4,7 @@ import random
 import spaces 
 import torch
 from diffusers import DiffusionPipeline, AutoencoderKL, UNet2DConditionModel, FlowMatchEulerDiscreteScheduler
-from typing import Optional, Union, List
+from typing import Optional, Union, List, Tuple
 from PIL import Image
 
 device = "cuda" if torch.cuda.is_available() else "cpu"