code: def __init__(self):
      super(DummyNetWrapper, self).__init__()
  
      self.bn = nn.BatchNorm2d(3, affine=True)
      self.dn = DummyNet()
  
imports: import unittest
  import torch
  import torch.nn
  from apex.fp16_utils import FP16Model
label_desc: Use image node_id 1 to create a new DummyNetWrapper object from inherited base classes: nn with example: obj = DummyNetWrapper()