anchor.diff:  , buildPythonPackage
   , fetchFromGitHub
   , cffi
  -, pkgs
  +, libspotify
   }:
   
   buildPythonPackage rec {
  
positive.code:     description = "A Python interface to Spotify’s online music streaming service";
      license = licenses.unfree;
      maintainers = with maintainers; [ lovek323 ];
      platforms = platforms.unix;
    };
  
  }
  
negative.code:   };
  
    propagatedBuildInputs = [ cffi ];
    buildInputs = [ libspotify ];
  
    # python zip complains about old timestamps
    preConfigure = ''
  