def emptyBucket(self, bucket):
        d = self.getBucket(bucket)
        d.addCallback(self._emptyBucketCallback, bucket)
        return d
Decorator for marking that a method is a downgrade to a version to the
dataset/ETHPy150Open wehriam/awspider/awspider/aws/s3.py/AmazonS3.emptyBucket--crossover with--dataset/ETHPy150Open quantopian/zipline/zipline/assets/asset_db_migrations.py/downgrades