code: def _test_obj(self, obj):
      name = _convert_target_to_string(obj)
      newobj = locate(name)
      self.assertIs(obj, newobj)
  
file_path: detectron2/tests/test_registry.py
imports: import unittest
  import torch
  from detectron2.modeling.meta_arch import GeneralizedRCNN
  from detectron2.utils.registry import _convert_target_to_string, locate
label_desc: Use image node_id 1 for calling the TestLocate obj's underlying member method code with example usage: obj._test_obj(obj) without return types