code: def __init__(self):
      super().__init__()
      self.a = torch.nn.Parameter(torch.rand(4, 3, requires_grad=True))
      self.b = torch.nn.Parameter(torch.rand(4, 3, requires_grad=True))
  
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 _PartiallyUsed object from inherited base classes: torch.nn with example: obj = _PartiallyUsed()