Update app.py

app.py

@@ -20,8 +20,7 @@ from registry import get_model
 from core.describe_scene import describe_scene
 from core.process import process_image
 from core.input_handler import resolve_input, validate_video, validate_image
-from utils.helpers import format_error, generate_session_id, toggle_visibility
-
+from utils.helpers import format_error, generate_session_id
 from huggingface_hub import hf_hub_download