anchor.diff:  buildPythonPackage rec {
     pname = "add-trailing-comma";
     version = "2.2.1";
  +  format = "setuptools";
   
     disabled = pythonOlder "3.7";
   
  
positive.code:     sha256 = "RBOL4mM9VciHHNmCTlRBIoXqeln19MKYxgv9p6GCNvU=";
    };
  
    propagatedBuildInputs = [ tokenize-rt ];
  
    pythonImportsCheck = [
      "add_trailing_comma"
  
negative.code:   ];
  
    meta = with lib; {
      description = "A tool (and pre-commit hook) to automatically add trailing commas to calls and literals";
      homepage = "https://github.com/asottile/add-trailing-comma";
      license = licenses.mit;
      maintainers = with maintainers; [ gador ];
  