anchor.diff:      # and saves them to the generated binary. This would make the build-time
       # dependencies part of the closure so we remove it.
       ./prevent-closure-contamination.patch
  -
  -    # Fix build with meson 0.61
  -    # https://gitlab.gnome.org/GNOME/pitivi/-/merge_requests/414
  -    (fetchpatch {
  -      url = "https://gitlab.gnome.org/GNOME/pitivi/-/commit/ddf2369d1fc6fddd63f676cc905a8b8e96291a4c.patch";
  -      sha256 = "MC4naGnqhrYlFBFHZaSzbOzrqaNK5/Xv5jBmCu0fLQE=";
  -    })
     ];
   
     nativeBuildInputs = [
  
positive.code: , gsettings-desktop-schemas
  }:
  
  python3Packages.buildPythonApplication rec {
    pname = "pitivi";
    version = "2021.05";
  
    format = "other";
  
    src = fetchurl {
      url = "mirror://gnome/sources/pitivi/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "z1aTxGxCqw2hSi5Zv89LyIBgS0HpzTqo0uvcYIJ7dcc=";
    };
  
    patches = [
  
negative.code:     gst-devtools
    ]);
  
    pythonPath = with python3.pkgs; [
      pygobject3
      gst-python
      numpy
      pycairo
      matplotlib
      librosa
    ];
  
    postPatch = ''
  