Update app.py

app.py

@@ -1,10 +1,11 @@
 import gradio as gr
+import random as rand
 
-def echo(message, history):
+def answer(message):
 	return message
 
 print("Hello, world!")
 
-chatbot = gr.ChatInterface(echo, type="messages")
+chatbot = gr.ChatInterface(answer)
 
 chatbot.launch()