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