Ошибка при запуске скрипта python

Код:

#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""mafia party game bot"""
import logging
import sys

from telegram.ext import Updater, CommandHandler
from host import Host
from game import GameStatus

token = sys.argv[1] #12 строка

logging.basicConfig(filename='bot.log',level=logging.INFO)

Ошибка:

Traceback (most recent call last):
  File "bot.py", line 12, in <module>
    token = sys.argv[1]
IndexError: list index out of range