code: def setUp(self, max_abs_diff=1e-3, max_rel_diff=1, iters=7):
      self.max_abs_diff = max_abs_diff
      self.max_rel_diff = max_rel_diff
      self.iters = iters
      torch.cuda.manual_seed(9876)
  
imports: import unittest
  import os
  import torch
  from torch.optim import Optimizer
  import apex
  from apex.multi_tensor_apply import multi_tensor_applier
  from itertools import product
label_desc: Use image node_id 1 for calling the TestLamb obj's underlying member method code with example usage: obj.setUp(max_abs_diff, max_rel_diff, iters) without return types