code: def __init__(self, arg1, arg2, arg3=3):
      super().__init__()
      self.arg1 = arg1
      self.arg2 = arg2
      self.arg3 = arg3
      assert arg1 == 1
      assert arg2 == 2
      assert arg3 == 3
  
imports: import os
  import tempfile
  import unittest
  import torch
  from omegaconf import OmegaConf
  from detectron2 import model_zoo
  from detectron2.config import configurable, downgrade_config, get_cfg, upgrade_config
  from detectron2.layers import ShapeSpec
  from detectron2.modeling import build_model
label_desc: Use image node_id 1 to create a new _TestClassA object from inherited base classes: torch.nn with example: obj = _TestClassA(arg1, arg2, arg3)