code: def _get_schema(self, wfjt_id):
          
          node_res = get_resource('node')
          node_results = node_res.list(workflow_job_template=wfjt_id,
                                       all_pages=True)['results']
          return self._workflow_node_structure(node_results)
docs: Returns a dictionary that represents the node network of the
          workflow job template