??

app.py

@@ -131,6 +131,7 @@ class RepeatedTimer(object):
 rt = RepeatedTimer(1, get_system_memory)
 
 try:
-    demo.launch(show_api=False, debug=True)
+    print("launch")
+    demo.queue().launch(show_api=False, debug=True)
 finally:
     rt.stop()