def create_index(self, index, index_type=GEO2D):
        """Create an index on a given attribute

        :param str index: Attribute to set index on
        :param str index_type: See PyMongo index types for further information, defaults to GEO2D index.
        """
        self.logger.info("Adding %s index to stores on attribute: %s" % (index_type, index))
        yield self.collection.create_index([(index, index_type)])
Create an index on a given attribute

        :param str index: Attribute to set index on
        :param str index_type: See PyMongo index types for further information, defaults to GEO2D index.