Overrides superclass method and renames some properties

def get_configuration_dict(self, secret_attrs=False):
        """Overrides superclass method and renames some properties"""
        cd = super(TaxonomicAmendmentsShard, self).get_configuration_dict(secret_attrs=secret_attrs)
        # "rename" some keys in the dict provided
        cd['number of amendments'] = cd.pop('number of documents')
        cd['amendments'] = cd.pop('documents')
        # add keys particular to this shard subclass
        if self._next_ott_id is not None:
            cd['_next_ott_id'] = self._next_ott_id,
        return cd