anchor.diff:  
   python3.pkgs.buildPythonApplication rec {
     pname = "mopidy-youtube";
  -  version = "3.4";
  +  version = "3.5";
   
     disabled = python3.pythonOlder "3.7";
   
  
positive.code:     owner = "natumbri";
      repo = pname;
      rev = "v${version}";
      sha256 = "0lm6nn926qkrwzvj64yracdixfrnv5zk243msjskrnlzkhgk01rk";
    };
  
    propagatedBuildInputs = with python3.pkgs; [
  
negative.code:     mopidy
    ];
  
    doCheck = false;
  
    pythonImportsCheck = [
      "mopidy_youtube"
  