code: async def sendPhoto(self, chat_id, photo,
                          caption=None,
                          parse_mode=None,
                          disable_notification=None,
                          reply_to_message_id=None,
                          reply_markup=None):
          
          p = _strip(locals(), more=['photo'])
          return await self._api_request_with_file('sendPhoto', _rectify(p), 'photo', photo)
docs: See: https://core.telegram.org/bots/api#sendphoto
  
          :param photo:
              - string: ``file_id`` for a photo existing on Telegram servers
              - string: HTTP URL of a photo from the Internet
              - file-like object: obtained by ``open(path, 'rb')``
              - tuple: (filename, file-like object). If the filename contains
                non-ASCII characters and you are using Python 2.7, make sure the
                filename is a unicode string.