Update app.py

app.py

@@ -4,6 +4,13 @@ import numpy as np
 import pickle
 from functools import lru_cache
 
+try:
+    from util import get_face_landmarks
+except Exception as e:
+    raise ImportError(
+        "Could not import 'get_face_landmarks' from util.py. "
+        "Make sure util.py exists and defines get_face_landmarks(img, draw: bool, static_image_mode: bool)."
+    ) from e
 
 
 # ---- App Config ----