from aiogram import Bot, types
from aiogram.dispatcher import Dispatcher
from aiogram.utils import executor
from config import token
import aiohttp

bot = Bot(token=token, parse_mode='HTML')
dp = Dispatcher(bot)
session = aiohttp.ClientSession()

print("everything loaded")

@dp.message_handler(commands=["start"])
async def start(msg):
  await bot.send_message(msg.from_user.id, "Hi!")

if __name__ == '__main__':
    executor.start_polling(dp)

 curl 'https://api.telegram.org/botтокен/getMe'
{"ok":true,"result":{"id":ид,"is_bot":true,"first_name":"ферст нейм","username":"юзернейм","can_join_groups":true,"can_read_all_group_messages":false,"supports_inline_queries":false}}

import logging
from aiogram import Bot, types
from aiogram.dispatcher import Dispatcher
from aiogram.utils import executor
from config import token
import aiohttp
from aiogram.contrib.middlewares.logging import LoggingMiddleware

logging.basicConfig(level=logging.INFO)
bot = Bot(token=token, parse_mode='HTML')
dp = Dispatcher(bot)
dp.middleware.setup(LoggingMiddleware())

print("everything loaded")

@dp.message_handler(commands=["start"])
async def start(msg):
  print("start")
  await bot.send_message(msg.from_user.id, "Hi!")

if __name__ == '__main__':
  
  executor.start_polling(dp)

DEBUG:aiogram.Middleware:Loaded middleware 'LoggingMiddleware'
DEBUG:asyncio:Using selector: EpollSelector
main2.py:13: DeprecationWarning: The object should be created within an async function
  session = aiohttp.ClientSession()
everything loaded
DEBUG:aiogram:Make request: "getMe" with data: "{}" and files "None"
^CWARNING:aiogram:Goodbye!