class_docstr: Test conversion success and ANE speed-up of the reference Transformer implementation
class_docstr_tok: ["Test","conversion","success","and","ANE","speed-up","of","the","reference","Transformer","implementation"]
code: def tearDownClass(cls):
      cls.model = None
      cls.inputs = None
  
file_path: ml-ane-transformers/ane_transformers/reference/test_transformer.py
imports: from ane_transformers import testing_utils
  from ane_transformers.reference import transformer
  import collections
  import coremltools
  import logging
  import numpy
  import unittest
  import time
  import torch
  import transformers
label_desc: Use image node_id 2 for calling the TestTransformerReferenceImplementation obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types