def make_s3_key(self, uri):
        bucket_name, key_name = parse_s3_uri(uri)

        return self.get_bucket(bucket_name).new_key(key_name)
Create the given S3 key, and return the corresponding
dataset/ETHPy150Open Yelp/mrjob/mrjob/fs/s3.py/S3Filesystem.make_s3_key