def usage(self):
        uri = '%s?usage' % self.root
        resp, content = self.request(uri)
        return content
Helper function to build x axis for data captured per minibatch
dataset/ETHPy150Open lepture/flask-storage/flask_storage/upyun.py/UpyunStorage.usage--crossover with--dataset/ETHPy150Open NervanaSystems/neon/neon/visualizations/data.py/create_minibatch_x