anchor.diff:      rev = "efd3d5bafd403f945e3ea5bee17d43e150ef78b2";
       sha256 = "0qzs8s0pjrda7icws3f1a55rklfw7b94468ym5zsgp86ikjf2rlz";
     };
  - 
  +
   in stdenv.mkDerivation {
     name = "openmolcas-${version}";
   
  
positive.code:     owner = "Molcas";
      repo = "OpenMolcas";
      rev = gitLabRev;
      sha256 = "0k05wy5gjpkibafzr9jnxas134m9sbnxrvblz1wb9l4cj2l0hb11";
    };
  
    prePatch = ''
  
negative.code: } :
  
  let
    version = "18.09";
    gitLabRev = "v${version}";
  
    python = python3.withPackages (ps : with ps; [ six pyparsing ]);
  