Update app.py

app.py

@@ -26,7 +26,7 @@ def chat(message, history):
       ],
 
       # The language model which will generate the completion.
-      model="llama3-8b-8192",
+      model="llama3-groq-70b-8192-tool-use-preview",
       temperature=0.5,
 
       max_tokens=256,