Update app.py

added missing function for set

app.py

@@ -36,6 +36,10 @@ def preprocess_image(image: Image.Image) -> Tuple[str, Image.Image]:
     processed_image = pipeline.preprocess_image(image)
     return processed_image
 
+def get_seed(randomize_seed: bool, seed: int) -> int:
+    """Get the random seed."""
+    return np.random.randint(0, MAX_SEED) if randomize_seed else seed
+
 @spaces.GPU
 def image_to_3d(
     image: Image.Image,