anchor.diff:    buildInputs = [
       glib
       gtk3
  +    gtksourceview4
       pango
       gdk-pixbuf
  +    libsecret
     ];
   
     propagatedBuildInputs = with python3Packages; [
  
positive.code:     lxml
      gst-python
      liblarch
    ];
  
    checkInputs = with python3Packages; [
      nose
      mock
      xvfb-run
    ];
  
    preBuild = ''
  
negative.code:   format = "other";
    strictDeps = false; # gobject-introspection does not run with strictDeps (https://github.com/NixOS/nixpkgs/issues/56943)
  
    checkPhase = "xvfb-run pytest ../tests/";
  
    meta = with lib; {
      description = " A personal tasks and TODO-list items organizer";
  