Update app.py

app.py

@@ -12,7 +12,7 @@ def create_monitor_interface():
     api_key = os.getenv("GROQ_API_KEY")
     
     class SafetyMonitor:
-        def __init__(self, model_name: str = "mixtral-8x7b-vision"):
+        def __init__(self, model_name: str = "llama-3.2-90b-vision-preview"):
             self.client = Groq(api_key=api_key)
             self.model_name = model_name