anchor.diff:    '';
   
     postInstall = ''
  -    ln -s ${sip}/${python.sitePackages}/PyQt5/* $out/${python.sitePackages}/PyQt5
  +    ln -s ${sip}/${python.sitePackages}/PyQt5/sip.* $out/${python.sitePackages}/PyQt5/
       for i in $out/bin/*; do
         wrapProgram $i --prefix PYTHONPATH : "$PYTHONPATH"
       done
  
positive.code: 
    nativeBuildInputs = [ pkgconfig qmake lndir ];
  
    buildInputs = [ dbus ];
  
    propagatedBuildInputs = [
      sip qtbase qtsvg qtwebkit qtwebengine
    ] ++ lib.optional (!isPy3k) enum34 ++ lib.optional withWebSockets qtwebsockets ++ lib.optional withConnectivity qtconnectivity;
  
    configurePhase = ''
  
negative.code:   pname = "PyQt";
    version = "5.11.3";
  
    inherit (pythonPackages) buildPythonPackage python isPy3k dbus-python enum34;
  
    sip = pythonPackages.sip.override { sip-module = "PyQt5.sip"; };
  
  in buildPythonPackage {
    pname = pname;
  