anchor.diff:            homepage = "http://github.com/lens/lens-aeson/";
             description = "Law-abiding lenses for aeson";
             license = stdenv.lib.licenses.mit;
  -        }) {};
  -      lifted-async = callPackage ({ async, base, constraints, lifted-base, mkDerivation, monad-control, stdenv, transformers-base }:
  -      mkDerivation {
  -          pname = "lifted-async";
  -          version = "0.9.1.1";
  -          sha256 = "0h4fskcgr053s21z43bh1mlz40i8f5d166d382frng3j6jw49b1i";
  -          libraryHaskellDepends = [
  -            async
  -            base
  -            constraints
  -            lifted-base
  -            monad-control
  -            transformers-base
  -          ];
  -          doHaddock = false;
  -          doCheck = false;
  -          homepage = "https://github.com/maoe/lifted-async";
  -          description = "Run lifted IO operations asynchronously and wait for their results";
  -          license = stdenv.lib.licenses.bsd3;
           }) {};
         lifted-base = callPackage ({ base, mkDerivation, monad-control, stdenv, transformers-base }:
         mkDerivation {
  
positive.code:             graphviz
              kademlia
              lens
              lifted-async
              log-warper
              MonadRandom
              mtl
  
negative.code:           pname = "statestack";
            version = "0.2.0.5";
            sha256 = "0rjzx9iy5mx5igir6gvslznnx3gpxlb1xy1n8h4cn54cn3wxrspl";
            revision = "1";
            editedCabalFile = "0kf1jdhdv9fiwlbn2915sg39x23lfxlyp2qb7jkrvx8p8v2sam7i";
            libraryHaskellDepends = [
              base
              mtl
  