code: def assertAlmostEqual(self, t1, t2):
      self.assertEqual(t1.size(), t2.size(), "size mismatch")
      self.assertLess((t1 - t2).abs().max(), 1e-4)
  
imports: import argparse
  import functools
  import random
  import unittest
  from multiprocessing import Manager
  import torch
  import torch.nn
  from omegaconf import OmegaConf
  from fairseq import optim
  from fairseq.distributed import utils
label_desc: Use image node_id 6 for calling the TestBMUF obj's underlying member method code with example usage: obj.assertAlmostEqual(t1, t2) without return types