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)
Given a Query, create a cache key.
dataset/ETHPy150Open rackspace/pyrax/pyrax/clouddns.py/CloudDNSManager.list_records_previous_page--crossover with--dataset/ETHPy150Open iurisilvio/Flask-SQLAlchemy-Cache/flask_sqlalchemy_cache/core.py/CachingQuery.key_from_query