def startWriting(self):
        if self._fd is not None:
            reactor.addWriter(self)
Return the value of a previously defined header. If there is no
dataset/ETHPy150Open marineam/nagcat/python/nagcat/nagios_api.py/NagiosWriter.startWriting--crossover with--dataset/ETHPy150Open adampresley/bottlepy-bootstrap/app/bottle.py/BaseResponse.get_header