def _start(self):
        deferreds = []
        if self.time_offset == None:
            deferreds.append(self.getTimeOffset())
        d = DeferredList(deferreds, consumeErrors=True)
        d.addCallback(self._startCallback)
dataset/ETHPy150Open wehriam/awspider/awspider/servers/interface.py/InterfaceServer._start/operator `is` -> `==`