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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 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