Update app.py

app.py

@@ -5,7 +5,8 @@ def echo(message, history):
     return message
 # Code the function that your chatbot will run! 
 
-chatbot = gr.ChatInterface(echo)
+print("Hello world")
+chatbot = gr.ChatInterface(echo, type="messages")
 # Use gradio to create an interface where your user can use ChatInterface --> needs a function as a parameter to run
 
 chatbot.launch()