def getbest(self):
        if (len(self.list) > 0):
            return self.list[0]
        else:
            return None
This handler is used for testing empty output.
dataset/ETHPy150Open nicolargo/sxxexx/sxxexx/sxxexx.py/series_t411.getbest--crossover with--dataset/ETHPy150Open hfaran/Tornado-JSON/tests/func_test.py/NotFoundHandler.get