def get_md5hash(self, bucket_name, object_name):
        """
        
        """
        self.log.info('Retrieving the MD5 hash of '
                      'object: %s in bucket: %s', object_name, bucket_name)
        client = self.get_conn()
        bucket = client.get_bucket(bucket_name=bucket_name)
        blob = bucket.get_blob(blob_name=object_name)
        blob.reload()
        blob_md5hash = blob.md5_hash
        self.log.info('The md5Hash of %s is %s', object_name, blob_md5hash)
        return blob_md5hash