anchor.diff:  }:
   
   let
  -  pythonEnv = python2.withPackages (
  +  pythonEnv = python3.withPackages (
       ps: [
         ps.pillow
         ps.tkinter
  
positive.code: , podofo
  , poppler
  , poppler_data
  , python2
  , qtbase
  , qtimageformats
  , qttools
  
negative.code: mkDerivation rec {
    pname = "scribus";
  
    version = "1.5.6.1";
  
    src = fetchurl {
      url = "mirror://sourceforge/${pname}/${pname}-devel/${pname}-${version}.tar.xz";
      sha256 = "sha256-1CV2lVOc+kDerYq9rwTFHjTU10vK1aLJNNCObp1Dt6s=";
    };
  
    enableParallelBuilding = true;
  
  