Update app.py

app.py

@@ -184,11 +184,17 @@ submit_button.click(
   ],
   submission_result,
 )
+# ... (your existing code)
 
-# ... (Rest of your code)
-            
-    start_button = gr.Button("Start", elem_id="start_button") 
-    scheduler = BackgroundScheduler()
-    scheduler.add_job(restart_space, "interval", seconds=1800)
-    scheduler.start()
+with demo:
+  gr.HTML(TITLE)
+  gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")
+  with gr.Tabs(elem_classes="tab-buttons") as tabs:
+    # ... (your tabs content)
+    # ... (your submission form)
+  
+  start_button = gr.Button("Start", elem_id="start_button") # Remove the extra indentation
+  scheduler = BackgroundScheduler()
+  scheduler.add_job(restart_space, "interval", seconds=1800)
+  scheduler.start()
 demo.queue(default_concurrency_limit=40).launch()