def __str__(self):
        lines = [
            'image: %s' % self.image,
            'file_format: %s' % self.file_format,
            'virtual_size: %s' % self.virtual_size,
            'disk_size: %s' % self.disk_size,
            'cluster_size: %s' % self.cluster_size,
            'backing_file: %s' % self.backing_file,
        ]
        if self.snapshots:
            lines.append(self.snapshots % "snapshots: %s")
        return "\n".join(lines)
dataset/ETHPy150Open openstack/rack/rack/openstack/common/imageutils.py/QemuImgInfo.__str__/swapped operands of `%`