anchor.diff:      inherit pname version format;
       python = "py3";
       platform = "manylinux1_x86_64";
  -    sha256 = "0qhp94bjz4icz2f0fnhgck875chiqzy4lvsp6lwhj5jd0zsv2bb3";
  +    sha256 = "1fbg3pn7g0a6pg0gb5vaapcc3cdp6wfnliim57fn3cnzmx5d8p6i";
     };
   
     nativeBuildInputs = [ unzip ];
  
positive.code: 
  buildPythonPackage rec {
    pname = "dotnetcore2";
    version = "2.1.11";
    format = "wheel";
    disabled = isPy27;
  
  
negative.code:     )
    ];
  
    # prevent exposing a broken dotnet executable
    postInstall = ''
      rm -r $out/${python.sitePackages}/${pname}/bin
    '';
  
    # no tests, ensure it's one useful function works
  