def map(self, fn):
        return TimeSeries([(x, fn(y)) for x, y in self.points])
Downloads a cloud object to a local file using sliced download.
dataset/ETHPy150Open chriso/gauged/gauged/results/time_series.py/TimeSeries.map--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/gsutil/gslib/copy_helper.py/_DoSlicedDownload