Update app.py

app.py

@@ -83,7 +83,7 @@ def extract_text_from_image(image_url: str) -> str:
 class OpalAgent:
     def __init__(self):
         # Use a small, fast model to save tokens/costs
-        model_name = "tiiuae/falcon-7b-instruct"  # Falcon-7B-Instruct is open and efficient
+        model_name = "Qwen/Qwen-7B-Instruct"  
         
         self.llm = HfApiModel(model_name, token=HF_TOKEN)