import telebot

bot = telebot.TeleBot("TOKEN")


@bot.chat_join_request_handler()
def make_some(message: telebot.types.ChatJoinRequest):
    bot.send_message(message.chat.id, "I accepted a new user!")
    bot.approve_chat_join_request(message.chat.id, message.from_user.id)


bot.infinity_polling(allowed_updates=telebot.util.update_types)
