anchor.diff:  
   buildPythonPackage rec {
     pname = "dotnetcore2";
  -  version = "2.1.13";
  +  version = "2.1.14";
     format = "wheel";
     disabled = isPy27;
   
  
positive.code:     inherit pname version format;
      python = "py3";
      platform = "manylinux1_x86_64";
      sha256 = "1fbg3pn7g0a6pg0gb5vaapcc3cdp6wfnliim57fn3cnzmx5d8p6i";
    };
  
    nativeBuildInputs = [ unzip ];
  
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; {
  