async def open(self) -> 'Tails':
        """
        Open reader handle and return current object.

        :return: current object
        """

        LOGGER.debug('Tails.open >>>')

        self._reader_handle = await blob_storage.open_reader('default', self._tails_config_json)

        LOGGER.debug('Tails.open <<<')
        return self
Open reader handle and return current object.

        :return: current object