def get_archives(self):
        """A list of archives as returned by --list-archives. Queried
        the first time it is accessed, and then subsequently cached.
        """
        if self._queried_archives is None:
            response = StringIO(self.call('--list-archives'))
            self._queried_archives = [l.rstrip() for l in response.readlines()]
            if self.options in ['v']:
                # Filter out extraneous info if tarsnap was run with
                # verbose flag
                self._queried_archives = [
                    l.rsplit('\t', 1)[0] for l in self._queried_archives]
        return self._queried_archives + self._known_archives
dataset/ETHPy150Open miracle2k/tarsnapper/src/tarsnapper/script.py/TarsnapBackend.get_archives/swapped operands of `in`