import telethon
from telethon import sync, events
from telethon.sync import TelegramClient
from telethon.tl.functions.channels import JoinChannelRequest
from telethon.tl.functions.messages import GetHistoryRequest

api_id = 1067025
api_hash = "33b7c948b0a65e795aee2effa51af4a7"
tg_client = TelegramClient('89850736471', api_id, api_hash)
while n != 1:
    @tg_client.on(events.NewMessage(chats=('@specially_for_Sanya')))
    async def normal_handler(event):
        print(event.message)

tg_client.start()