# __init__.py import asyncio from threading import Thread from app.bot.services.mailing_service.mailing_consumer import AsyncMailingService def start_mailing_service(app, bot): def run(): loop = asyncio.new_event_loop() asyncio.set_event_loop(loop) try: loop.run_until_complete(_start_async_service(app, bot)) finally: loop.run_until_complete(loop.shutdown_asyncgens()) loop.close() Thread(target=run, name="AsyncMailingServiceThread", daemon=True).start() async def _start_async_service(app, bot): service = AsyncMailingService(app, bot) await service.start()