def load_indexes(self):
        """Add the proper indexes to the scout instance.

        All indexes are specified in scout/constants/indexes.py

        If this method is utilised when new indexes are defined those should be added

        """
        for collection_name in INDEXES:
            existing_indexes = self.indexes(collection_name)
            indexes = INDEXES[collection_name]
            for index in indexes:
                index_name = index.document.get('name')
                if index_name in existing_indexes:
                    LOG.info("Deleting old index: %s" % index_name)
                    self.db[collection_name].drop_index(index_name)
            LOG.info("creating indexes for {0} collection: {1}".format(
                collection_name,
                ', '.join([index.document.get('name') for index in indexes])
                ))
            self.db[collection_name].create_indexes(indexes)
Add the proper indexes to the scout instance.

        All indexes are specified in scout/constants/indexes.py

        If this method is utilised when new indexes are defined those should be added