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

        return self.get_bucket(bucket_name).new_key(key_name)
Avoid extraneous whitespace in the following situations:
dataset/ETHPy150Open Yelp/mrjob/mrjob/fs/s3.py/S3Filesystem.make_s3_key--crossover with--dataset/ETHPy150Open kivy/plyer/plyer/tools/pep8checker/pep8.py/extraneous_whitespace