def du(self, path_glob):
        return sum(self.get_s3_key(uri).size for uri in self.ls(path_glob))
:return: List[Units]
dataset/ETHPy150Open Yelp/mrjob/mrjob/fs/s3.py/S3Filesystem.du--crossover with--dataset/ETHPy150Open ODM2/ODMToolsPython/odmtools/odmservices/series_service.py/SeriesService.get_all_units