Update app.py

app.py

@@ -46,7 +46,7 @@ cfg.description = f'''
                     <h4 style="text-align: center;">{cfg.description}</h4>
                   '''
 
-demo = gr.ChatInterface(respond, title = cfg.title, description = cfg.description, chatbot = gr.Chatbot(value = [("How may I help you?")]))
+demo = gr.ChatInterface(respond, title = cfg.title, description = cfg.description, chatbot = gr.Chatbot(value = [[None, "How may I help you?"]]))
 
 if __name__ == "__main__":
     demo.launch()