@property
    def rsptime(self):
        if self.time_start and self.time_end:
            return self.time_end-self.time_start
        else:
            return None
Log if the master is not running
dataset/ETHPy150Open roglew/pappy-proxy/pappyproxy/http.py/Request.rsptime--crossover with--dataset/ETHPy150Open saltstack/salt/salt/key.py/RaetKey.check_master