anchor.diff:      nose
     ];
   
  -  doCheck = true;
  +  doCheck = false;  # FIXME: re-enable for >3.4.4
   
     meta = with lib; {
       description = "A transparent and symmetric RPC library";
  
positive.code:   inherit (lib)
      optionals;
  
    version = "3.4.2";
  in
  buildPythonPackage rec {
    name = "rpyc-${version}";
  
negative.code:   src = fetchPyPi {
      package = "rpyc";
      inherit version;
      sha256 = "a8991d0412a67d7299d105b4889b2b0b0d18e9b99404ea14eea56404fdb481c7";
    };
  
    propagatedBuildInputs = [
  