class_docstr: Implementation of `DETR: End-to-End Object Detection with
  Transformers <https://arxiv.org/pdf/2005.12872>`_
code: def __init__(
      self,
      backbone,
      bbox_head,
      train_cfg=None,
      test_cfg=None,
      pretrained=None,
  ):
      super(DETR, self).__init__(
          backbone, None, bbox_head, train_cfg, test_cfg, pretrained
      )
  
imports: from mmdet.core import bbox2result
  from ..builder import DETECTORS
  from .single_stage import SingleStageDetector
label_desc: Use image node_id 1 to create a new DETR object from inherited base classes: SingleStageDetector with example: obj = DETR(backbone, bbox_head, train_cfg, test_cfg, pretrained)