Update app.py

app.py

@@ -115,7 +115,8 @@ def respond(
         agent = LlamaCppAgent(
             provider,
             system_prompt=f"{system_message}",
-            predefined_messages_formatter_type=gemma_3_formatter,
+            # predefined_messages_formatter_type=GEMMA_2,
+            custom_messages_formatter=gemma_3_formatter,
             debug_output=True,
         )