code: def __init__(self):
      super().__init__()
      self.e1 = _NestedEnc(torch.nn.Linear(4, 2))
      self.e2 = _NestedEnc(self.e1.f)
  
imports: import unittest
  from parameterized import parameterized
  import torch
  from torch import nn
  import higher
label_desc: Use image node_id 1 to create a new _Enc object from inherited base classes: torch.nn with example: obj = _Enc()