code: def assert_almost_equals(
      self, a: np.ndarray, b: np.ndarray, tol: float
  ):
      diff = np.abs((a - b)).max()
      self.assertLessEqual(
          diff,
          tol,
          f"Difference between torch and flax is {diff} (>= {tol}).",
      )
  
imports: import copy
  import inspect
  import json
  import random
  import tempfile
  import unittest
  from typing import List, Tuple
  import numpy
  import transformers
  from huggingface_hub import HfFolder, delete_repo, set_access_token
  from requests.exceptions import HTTPError
  from transformers import BertConfig, is_flax_available, is_torch_available
  from transformers.models.auto import get_values
  from transformers.testing_utils import TOKEN, USER, CaptureLogger, is_pt_flax_cross_test, is_staging_test, require_flax, torch_device
  from transformers.utils import logging
  from transformers.utils.generic import ModelOutput
label_desc: Use image node_id 2 for calling the FlaxModelTesterMixin obj's underlying member method code with example usage: obj.assert_almost_equals(a, b, tol) without return types