fix

app.py

@@ -233,7 +233,7 @@ async def give_verified_roles():
         
 thread_pool_executor = ThreadPoolExecutor(max_workers=2)
 asyncio_executor = AsyncIOExecutor()
-scheduler = BackgroundScheduler(executors={
+scheduler = AsyncIOScheduler(executors={
     'default': thread_pool_executor,
     'asyncio': asyncio_executor
 })