Update app.py

app.py

@@ -164,13 +164,14 @@ def create_interface():
         
         # Event handlers
         def update_image(image_path):
-            if not image_path:
+            if not image_path or not isinstance(image_path, (str, Path)):
                 return None
             try:
                 resized_path = annotation_mgr.process_image_upload(image_path)
                 return resized_path
             except Exception as e:
-                return None
+                print(f"Error processing image: {e}")
+                return image_path
         
         # Handle image upload and resizing
         bbox_input.upload(