pure-maps: 3.4.1 -> 3.4.2 (#466348)

mkDerivation rec {

  pname = "pure-maps";

  version = "3.4.1";

  version = "3.4.2";

  src = fetchFromGitHub {

    owner = "rinigus";

    repo = "pure-maps";

    rev = version;

    hash = "sha256-Xh4TRc4B/rm2+S8ej/instfkO3271f0HPuqVJYGtCSM=";

    hash = "sha256-UkPZ5Wy/05srZv1r5GLoT5hFQVLfYF6Q2rQDFoILlQ0=";

    fetchSubmodules = true;

  };