anchor.diff:      librsvg
       pycairo
       pygobject3
  +
  +    # Mypaint checks for a presence of this theme scaffold and crashes when not present.
  +    hicolor-icon-theme
     ];
   
     propagatedBuildInputs = [
  
positive.code: , librsvg
  , gobject-introspection
  , libmypaint
  , mypaint-brushes
  , gdk-pixbuf
  , pkgconfig
  
negative.code:     swig
      wrapGAppsHook
      gobject-introspection # for setup hook
      hicolor-icon-theme # fór setup hook
    ];
  
    buildInputs = [
      gtk3
      gdk-pixbuf
  