anchor.diff:      inherit pname version format;
       python = "py3";
       platform = "manylinux1_x86_64";
  -    sha256 = "1fbg3pn7g0a6pg0gb5vaapcc3cdp6wfnliim57fn3cnzmx5d8p6i";
  +    sha256 = "0dxp9a73ncjylc09bjwq81fgj5ysk1yi27l8ka5f98121k1kmn6q";
     };
   
     nativeBuildInputs = [ unzip ];
  
positive.code: 
  buildPythonPackage rec {
    pname = "dotnetcore2";
    version = "2.1.13";
    format = "wheel";
    disabled = isPy27;
  
  
negative.code:     )
    ];
  
    # remove bin, which has a broken dotnetcore installation
    installPhase = ''
      rm -rf dotnetcore2/bin
      mkdir -p $out/${python.sitePackages}/
      cp -r dotnetcore2 $out/${python.sitePackages}/
    '';
  
    # no tests, ensure it's one useful function works
    checkPhase = ''
      rm -r dotnetcore2 # avoid importing local directory
      export PYTHONPATH=$out/${python.sitePackages}:$PYTHONPATH
      ${python.interpreter} -c 'from dotnetcore2 import runtime; print(runtime.get_runtime_path()); runtime.ensure_dependencies()'
    '';
  
    meta = with lib; {
  