code: def sendVideoNote(self, chat_id, video_note,
                        duration=None,
                        length=None,
                        disable_notification=None,
                        reply_to_message_id=None,
                        reply_markup=None):
          
          p = _strip(locals(), more=['video_note'])
          return self._api_request_with_file('sendVideoNote', _rectify(p), 'video_note', video_note)
docs: See: https://core.telegram.org/bots/api#sendvideonote
  
          :param video_note: Same as ``photo`` in :meth:`telepot.Bot.sendPhoto`
  
          :param length:
              Although marked as optional, this method does not seem to work without
              it being specified. Supply any integer you want. It seems to have no effect
              on the video note's display size.