def list_records_previous_page(self):
        uri = self._paging.get("record", {}).get("prev_uri")
        if uri is None:
            raise exc.NoMoreResults("There are no previous pages of records "
                    "to list.")
        return self._list_records(uri)
When paging through record results, this will return the previous page,
dataset/ETHPy150Open rackspace/pyrax/pyrax/clouddns.py/CloudDNSManager.list_records_previous_page