Update app.py

app.py

@@ -184,6 +184,12 @@ with demo:
                 ],
                 submission_result,
             )
+            import gradio as gr
+
+def slow_echo(message, history):
+    return message
+
+demo = gr.ChatInterface(slow_echo).queue()
     start_button = gr.Button("Start", elem_id="start_button")
     scheduler = BackgroundScheduler()
     scheduler.add_job(restart_space, "interval", seconds=1800)