code: def retrain(self, dataview_id):
          
          url = 'data_views/{}/retrain'.format(dataview_id)
          response = self._post_json(url, data={})
          if response.status_code != requests.codes.ok:
              raise RuntimeError('Retrain requested ' + str(response.status_code) + ' response: ' + str(response.message))
          return True
docs: Start a model retraining
          :param dataview_id: The ID of the views
          :return: