airflow/hooks/S3_hook.py
def check_for_bucket(self, bucket_name):
        """
        Check if bucket_name exists.

        :param bucket_name: the name of the bucket
        :type bucket_name: str
        """
        try:
            self.get_conn().head_bucket(Bucket=bucket_name)
            return True
        except ClientError as e:
            self.log.info(e.response["Error"]["Message"])
            return False
def check_for_bucket(self, bucket_name):
        """
        Check if bucket_name exists.

        :param bucket_name: the name of the bucket
        :type bucket_name: str
        """
        try:
            self.get_conn().head_bucket(Bucket=bucket_name)
            return True
        except ClientError as e:
            self.log.info(e.response["Error"]["Message"])
            return False
Check if bucket_name exists.

        :param bucket_name: the name of the bucket
        :type bucket_name: str