anchor.diff:  
     # Disable tests that require network access.
     disabledTests = [
  -    "PegasusTokenizationTest"
  -    "T5TokenizationTest"
  +    "BlenderbotSmallTokenizerTest"
  +    "Blenderbot3BTokenizerTests"
  +    "TokenizationTest"
  +    "TestTokenizationBart"
       "test_all_tokenizers"
       "test_batch_encoding_is_fast"
       "test_batch_encoding_pickle"
  
positive.code: 
  buildPythonPackage rec {
    pname = "transformers";
    version = "3.3.1";
  
    src = fetchFromGitHub {
      owner = "huggingface";
      repo = pname;
      rev = "v${version}";
      sha256 = "1j9nzhl0zw5z9rnvzfih7v6bax353rxp05b3f0cvkii3b5dbkc2j";
    };
  
    propagatedBuildInputs = [
      boto3
      filelock
      numpy
      regex
      requests
      sacremoses
  
negative.code:     pytestCheckHook
      timeout-decorator
    ];
  
    preCheck = ''
      export HOME="$TMPDIR"
  