code.py

from asgiref.sync import async_to_sync

bot = Bot('ABC')


async_to_sync(bot.send_message)(
    chat_id='123', text='abc
)

error.log

  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/celery/app/trace.py", line 451, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/celery/app/trace.py", line 734, in __protected_call__
    return self.run(*args, **kwargs)
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/celery/app/autoretry.py", line 34, in run
    return task._orig_run(*args, **kwargs)
  File "/Users/.../Projects/.../.../.../tasks/communication.py", line 114, in send_communication
    result = sender.send(user, message, communication=communication)
  File "/Users/.../Projects/.../.../.../utils/messages/senders.py", line 308, in send
    async_to_sync(self.bot.send_message)(chat_id=user.telegram_id,
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/asgiref/sync.py", line 277, in __call__
    return call_result.result()
  File "/Users/.../.pyenv/versions/3.10.12/lib/python3.10/concurrent/futures/_base.py", line 451, in result
    return self.__get_result()
  File "/Users/.../.pyenv/versions/3.10.12/lib/python3.10/concurrent/futures/_base.py", line 403, in __get_result
    raise self._exception
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/asgiref/sync.py", line 353, in main_wrap
    result = await self.awaitable(*args, **kwargs)
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiogram/client/bot.py", line 2596, in send_message
    return await self(call, request_timeout=request_timeout)
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiogram/client/bot.py", line 374, in __call__
    return await self.session(self, method, timeout=request_timeout)
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiogram/client/session/base.py", line 194, in __call__
    return cast(TelegramType, await middleware(bot, method))
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiogram/client/session/aiohttp.py", line 153, in make_request
    async with session.post(
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiohttp/client.py", line 1141, in __aenter__
    self._resp = await self._coro
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiohttp/client.py", line 448, in _request
    handle = tm.start()
  File "/Users/.../Projects/.../.venv/lib/python3.10/site-packages/aiohttp/helpers.py", line 652, in start
    return self._loop.call_at(when, self.__call__)
  File "/Users/.../.pyenv/versions/3.10.12/lib/python3.10/asyncio/base_events.py", line 732, in call_at
    self._check_closed()
  File "/Users/.../.pyenv/versions/3.10.12/lib/python3.10/asyncio/base_events.py", line 515, in _check_closed
    raise RuntimeError('Event loop is closed')
RuntimeError: Event loop is closed