code: def reset_snapshot_attribute(self, snapshot_id,
                                   attribute='createVolumePermission'):
          
          params = {'SnapshotId' : snapshot_id,
                    'Attribute' : attribute}
          return self.get_status('ResetSnapshotAttribute', params, verb='POST')
docs: Resets an attribute of a snapshot to its default value.
  
          :type snapshot_id: string
          :param snapshot_id: ID of the snapshot
  
          :type attribute: string
          :param attribute: The attribute to reset
  
          :rtype: bool
          :return: Whether the operation succeeded or not