anchor.diff:    ];
   
     buildInputs = [
  -    pythonPackages.cython
  +    python2Packages.cython
       zlib
       libvncserver
       libvpx
  
positive.code: { lib, fetchdarcs, pythonPackages, libvncserver, zlib
  , gnutls, libvpx, makeDesktopItem, mkDerivationWith }:
  
  mkDerivationWith pythonPackages.buildPythonApplication rec {
  
    pname = "blink";
    version = "3.2.0";
  
negative.code:     sed -i 's|@out@|'"''${out}"'|g' blink/resources.py
    '';
  
    propagatedBuildInputs = with python2Packages; [
      pyqt5_with_qtwebkit
      cjson
      sipsimple
  