anchor.diff:  
     qmakeFlags = [ "FLAVOR=kirigami" ];
   
  -  dontWrapQtApps = true;
  -  postInstall = ''
  -    wrapQtApp $out/bin/pure-maps \
  -      --prefix PYTHONPATH : "$out/share"
  +  pythonPath = with python3.pkgs; [ gpxpy ];
  +
  +  preInstall = ''
  +    buildPythonPath "$pythonPath"
  +    qtWrapperArgs+=(--prefix PYTHONPATH : "$program_PYTHONPATH")
     '';
   
     meta = with lib; {
  
positive.code:     fetchSubmodules = true;
    };
  
    nativeBuildInputs = [ qmake python3 qttools wrapQtAppsHook ];
    buildInputs = [
      kirigami2 qtquickcontrols2 qtlocation qtsensors
      nemo-qml-plugin-dbus pyotherside mapbox-gl-qml s2geometry
    ];
    propagatedBuildInputs = with python3Packages; [ gpxpy pyxdg ];
  
    postPatch = ''
      substituteInPlace pure-maps.pro \
  
negative.code: { lib, mkDerivation, fetchFromGitHub
  , qmake, qttools, kirigami2, qtquickcontrols2, qtlocation, qtsensors
  , nemo-qml-plugin-dbus, mapbox-gl-qml, s2geometry
  , python3, pyotherside
  }:
  
  mkDerivation rec {
  