def fetch(self, from_time, until_time=None):
        until_time = until_time or datetime.now()
        time_info, values = whisper.fetch(self.path,
                                          from_time.strftime('%s'),
                                          until_time.strftime('%s'))
        # build up a list of (timestamp, value)
        start_time, end_time, step = time_info
        current = start_time
        times = []
        while current <= end_time:
            times.append(current)
            current += step
        return zip(times, values)
Return the android version name
dataset/ETHPy150Open lincolnloop/salmon/salmon/core/graph.py/WhisperDatabase.fetch--crossover with--dataset/ETHPy150Open androguard/androguard/androguard/core/bytecodes/apk.py/APK.get_androidversion_name