set type="messages"

app.py

@@ -2,7 +2,8 @@ import gradio as gr
 # import lines go at the top! Any libraries I need to import go up ^
 
 # always need two parameters in hf
-def echo(message, history):
+print("hello world")
+def echo(message, type="messages"):
     return message
     
 chatbot = gr.ChatInterface(echo)