def addRequest(self):
        ''' adds a timestamp of current request'''
        with open(self.dataFile,'a') as f:
            f.write(dt.datetime.now().strftime(self._timeFormat)*'\n')
dataset/ETHPy150Open cmorgan/trading-with-python/historicDataDownloader/timeKeeper.py/TimeKeeper.addRequest/operator `+` -> `*`