def output(self):
        return luigi.contrib.hdfs.HdfsTarget(self.date.strftime('data/streams_%Y-%m-%d.tsv'))
Returns a visualization of the custom network as a string of PNG data
dataset/ETHPy150Open spotify/luigi/examples/top_artists.py/ExternalStreams.output--crossover with--dataset/ETHPy150Open NVIDIA/DIGITS/digits/model/views.py/visualize_network