Update app.py

app.py

@@ -5,7 +5,7 @@ from PIL import Image
 import io
 import base64
 import logging
-from model_loader import load_caption_model, load_action_model, load_vocab
+from model_loader import load_caption_model, load_action_model
 from inference import generate_caption, predict_action
 
 # Configure logging