anchor.diff:      owner = "Ultimaker";
       repo = "Uranium";
       rev = version;
  -    sha256 = "1682xwxf6xs1d1cfv1s7xnabqv58jjdb6szz8624b3k9rsj5l2yq";
  +    sha256 = "1pyzpcdb6kb0basvhgpjdiws8x0bwl71k7nkf3j3s9wk1dvyw824";
     };
     
     buildInputs = [ python gettext ];
  
positive.code: else
  
  stdenv.mkDerivation rec {
    version = "2.6.1";
    pname = "uranium";
    name = "${pname}-${version}";
    
  
negative.code: 
    meta = with stdenv.lib; {
      description = "A Python framework for building Desktop applications";
      homepage = "https://github.com/Ultimaker/Uranium";
      license = licenses.agpl3;
      platforms = platforms.linux;
      maintainers = with maintainers; [ abbradar ];
  