anchor.diff:      for folder in $out/share/icons/hicolor/*; do
           mkdir $folder/{apps,mimetypes}
           mv $folder/*.png $folder/mimetypes
  +        cp $libdir/mcomix/images/$(basename $folder)/mcomix.png $folder/apps/${pname}.png
           cp $folder/mimetypes/application-x-cbt.png $folder/mimetypes/application-x-cbr.png
           cp $folder/mimetypes/application-x-cbt.png $folder/mimetypes/application-x-cbz.png
       done
     '';
   
  -  # to prevent double wrapping
  +  # prevent double wrapping
     dontWrapGApps = true;
     preFixup = ''
       makeWrapperArgs+=(
  
positive.code:   };
  
    buildInputs = [ gobject-introspection gtk3 gdk-pixbuf ];
    nativeBuildInputs = [ wrapGAppsHook ];
    propagatedBuildInputs = (with python3.pkgs; [ pillow pygobject3 pycairo ]);
  
    format = "other";
  
negative.code:     )
    '';
  
    # real pytests broken upstream
    checkPhase = ''
      $out/bin/comicthumb --help > /dev/null
      $out/bin/${pname} --help > /dev/null
  