anchor.diff:      libxslt
     ];
   
  +  propagatedBuildInputs = with python3Packages; [
  +    pygobject3
  +    pillow
  +    pywal
  +  ];
  +
     # The $HOME variable must be set to build the package. A "permission denied" error will occur otherwise
     preBuild = ''
         export HOME=$(pwd)
     '';
  +
  +  # No test exist
  +  doCheck = false;
   
     meta = with stdenv.lib; {
       description = "Template based wallpaper/colorscheme generator and manager";
  
positive.code: { stdenv, python36Packages, fetchFromGitHub, pywal, feh, libxslt, imagemagick,
    gobject-introspection, gtk3, wrapGAppsHook, gnome3 }:
  
  python36Packages.buildPythonApplication rec {
    pname = "wpgtk";
    version = "5.7.4";
  
  
negative.code:     sha256 = "0c0kmc18lbr7nk3hh44hai9z06lfsgwxnjdv02hpjwrxg40zh726";
    };
  
    buildInputs = [
      wrapGAppsHook
      gtk3
  