def get_unique(self,key=None,value=None,**pair):
        key, value = self._get_key_value(key,value,pair)
        resp = self.client.lookup_vertex(self.index_name,key,value)
        if resp.total_size > 0:
            result = get_one_result(resp)
            return initialize_element(self.client, result)
>>> obj = BaseDictObject()
dataset/ETHPy150Open espeed/bulbs/bulbs/rexster/index.py/ManualIndex.get_unique--crossover with--dataset/ETHPy150Open typesupply/defcon/Lib/defcon/objects/base.py/_testSetitem