anchor.diff:      sha256 = "0kmk5ck1j49q4ww0lvas2767kwnzhkq0vdwkmjypdx5zkxz73fn8";
     };
   
  +  buildInputs = [ python3 ];
  +
  +  installPhase = ''
  +    install -vD subdl $out/bin/subdl
  +  '';
  +
     meta = {
       homepage = "https://github.com/alexanderwink/subdl";
       description = "A command-line tool to download subtitles from opensubtitles.org";
  
positive.code:     license = lib.licenses.gpl3;
      maintainers = [ lib.maintainers.exfalso ];
    };
  
    buildInputs = [ python3 ];
  
    installPhase = ''
      install -vD subdl $out/bin/subdl
    '';
  }
  
negative.code: 
  stdenv.mkDerivation {
    pname = "subdl";
    version = "unstable-2017-11.06";
  
    src = fetchFromGitHub {
      owner = "alexanderwink";
  