Returns ``True`` if the index already exists in elasticsearch.

        Any additional keyword arguments will be passed to
        ``Elasticsearch.indices.exists`` unchanged.

def exists(self, using=None, **kwargs):
        """
        Returns ``True`` if the index already exists in elasticsearch.

        Any additional keyword arguments will be passed to
        ``Elasticsearch.indices.exists`` unchanged.
        """
        return self._get_connection(using).indices.exists(index=self._name, **kwargs)