See: https://core.telegram.org/bots/api#sendsticker

        :param sticker: Same as ``photo`` in :meth:`telepot.aio.Bot.sendPhoto`

async def sendSticker(self, chat_id, sticker,
                          disable_notification=None,
                          reply_to_message_id=None,
                          reply_markup=None):
        """
        See: https://core.telegram.org/bots/api#sendsticker

        :param sticker: Same as ``photo`` in :meth:`telepot.aio.Bot.sendPhoto`
        """
        p = _strip(locals(), more=['sticker'])
        return await self._api_request_with_file('sendSticker', _rectify(p), 'sticker', sticker)