Use this method to change the description of a supergroup or a channel.
        The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
        Returns True on success.
        :param chat_id: Int or Str: Unique identifier for the target chat or username of the target channel
            (in the format @channelusername)
        :param description: Str: New chat description, 0-255 characters
        :return:

def set_chat_description(self, chat_id, description):
        """
        Use this method to change the description of a supergroup or a channel.
        The bot must be an administrator in the chat for this to work and must have the appropriate admin rights.
        Returns True on success.
        :param chat_id: Int or Str: Unique identifier for the target chat or username of the target channel
            (in the format @channelusername)
        :param description: Str: New chat description, 0-255 characters
        :return:
        """
        return apihelper.set_chat_description(self.token, chat_id, description)