Update app.py

app.py

@@ -5,6 +5,7 @@ os.environ['TORCH_HOME'] = '/tmp/cache'
 
 from fastapi import FastAPI, File, UploadFile
 from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import HTMLResponse  # ← AJOUT IMPORT MANQUANT
 from PIL import Image
 import torch
 import io