def upload(self, local_filepath, aws_filepath):
        logging.info('Publishing %s to %s' % (
                local_filepath, aws_filepath))

        key = Key(bucket=self.bucket, name=aws_filepath)
        key.key = aws_filepath
        key.set_contents_from_filename(local_filepath)
        key.set_acl('public-read')
Count the number of zero bits on the right hand side.
dataset/ETHPy150Open washingtonpost/whippersnapper/whippersnapper/uploader.py/Uploader.upload--crossover with--dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/ipaddress.py/_count_righthand_zero_bits