Update app.py

app.py

@@ -17,7 +17,7 @@ logging.basicConfig(
 class HumanTouchApp:
     def __init__(self):
         self.client = self._initialize_groq_client()
-        self.model = "llama-3.1-70b-versatile"
+        self.model = "llama-3.3-70b-versatile"
         self.system_prompt_template = self._load_system_prompt()
         
     def _initialize_groq_client(self) -> Groq: