code: def restore_backup(
              self, bootstrap=False, constraints=None, archive=None,
              backup_id=None, upload_tools=False):
          
          raise NotImplementedError()
docs: Restore a backup archive to a new controller.
  
          :param bool bootstrap: Bootstrap a new state machine
          :param constraints: Model constraints
          :type constraints: :class:`juju.Constraints`
          :param str archive: Path to backup archive to restore
          :param str backup_id: Id of backup to restore
          :param bool upload_tools: Upload tools if bootstrapping a new machine