# pip install pyTelegramBotAPI

​

import telebot

from io import BytesIO

​

bot = telebot.TeleBot('token')

​

with open(file, 'rb') as tmp:

    obj = BytesIO(tmp.read())

    obj.name = '1.txt'

    bot.send_document(message.from_user.id, data=obj, caption='your file')