anchor.diff:  
   buildPythonPackage rec {
     pname = "transformers";
  -  version = "4.0.1";
  +  version = "4.1.1";
     disabled = isPy39;
   
     src = fetchFromGitHub {
       owner = "huggingface";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "1h53a3n6fdrx3ns1h1ip273hzd9pkm9m1qh41si75csb8mi1dq3d";
  +    sha256 = "1l1gxdsakjmzsgggypq45pnwm87brhlccjfzafs43460pz0wbd6k";
     };
   
     propagatedBuildInputs = [
  
positive.code: , regex
  , requests
  , numpy
  , parameterized
  , protobuf
  , sacremoses
  
negative.code:   ];
  
    checkInputs = [
      pandas
      parameterized
      pytestCheckHook
      timeout-decorator
  