anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "elementary-calendar";
  -  version = "6.0.2";
  +  version = "6.0.3";
   
     repoName = "calendar";
   
  
positive.code:     owner = "elementary";
      repo = repoName;
      rev = version;
      sha256 = "16xp8gfgpyz9xpjsxm6jlk4skkknj65g0q4x0qvw9sg9f1p6a514";
    };
  
    passthru = {
      updateScript = nix-update-script {
        attrPath = "pantheon.${pname}";
      };
    };
  
    nativeBuildInputs = [
  
negative.code:     patchShebangs meson/post_install.py
    '';
  
    passthru = {
      updateScript = nix-update-script {
        attrPath = "pantheon.${pname}";
      };
    };
  
    meta = with lib; {
      description = "Desktop calendar app designed for elementary OS";
      homepage = "https://github.com/elementary/calendar";
  