code: def assign(
      self, bboxes, gt_bboxes, gt_bboxes_ignore=None, gt_labels=None
  ):
      """Assign boxes to either a ground truth boxe or a negative boxes."""
      pass
  
label_desc: Use image node_id 1 for calling the BaseAssigner obj's underlying member method code with example usage: obj.assign(bboxes, gt_bboxes, gt_bboxes_ignore, gt_labels) without return types