anchor.diff:      pylast
     ];
   
  -  postFixup = "wrapPythonPrograms";
  +  postPatch = ''
  +    chmod +x meson_post_install.py
  +    patchShebangs meson_post_install.py
  +  '';
   
  -  postPatch = ''
  -    chmod +x ./meson_post_install.py
  -    patchShebangs ./meson_post_install.py
  +  preFixup = ''
  +    buildPythonPath "$out/libexec/lollypop-sp $pythonPath"
  +    patchPythonScript "$out/libexec/lollypop-sp"
     '';
   
     meta = with stdenv.lib; {
  
positive.code: { stdenv, fetchgit, meson, ninja, pkgconfig, wrapGAppsHook
  , appstream-glib, desktop-file-utils, gobjectIntrospection
  , python36Packages, gnome3, glib, gst_all_1 }:
  
  stdenv.mkDerivation rec  {
    version = "0.9.522";
    name = "lollypop-${version}";
  
    src = fetchgit {
      url = "https://gitlab.gnome.org/World/lollypop";
  
negative.code:     sha256 = "0f2brwv884cvmxj644jcj9sg5hix3wvnjy2ndg0fh5cxyqz0kwn5";
    };
  
    nativeBuildInputs = with python3.pkgs; [
      appstream-glib
      desktop-file-utils
      gobjectIntrospection
      meson
      ninja
      pkgconfig
      wrapGAppsHook
    ];
  
    buildInputs = with gst_all_1; [
      gnome3.totem-pl-parser
      gst-libav
      gst-plugins-bad
      gst-plugins-base
      gst-plugins-good
      gst-plugins-ugly
      gstreamer
      gtk3
      libsecret
      libsoup
    ];
  
    pythonPath = with python3.pkgs; [
      beautifulsoup4
      gst-python
      pillow
  