python-telegram-bot

/usr/home/silver/python-telegram-bot/telegram/utils/deprecate.py:25: UserWarning: telegram.utils.botan is being deprecated, please use telegram.contrib.botan from now on
  warnings.warn('{0} is being deprecated, please use {1} from now on'.format(old, new))
Traceback (most recent call last):
  File "mybot.py", line 583, in <module>
    main()
  File "mybot.py", line 432, in main
    updater.dispatcher.addHandler(CommandHandler('set', set_value))
AttributeError: 'Dispatcher' object has no attribute 'addHandler'