anchor.diff:      msgpack
     ];
   
  -  checkInputs = [ pytestCheckHook ];
  +  checkInputs = [
  +    pytestCheckHook
  +  ];
   
     # add testsupport.py to PATH
     preCheck = "PYTHONPATH=tests/PyroTests:$PYTHONPATH";
   
  -  # ignore network related tests, which fail in sandbox
  -  pytestFlagsArray = [ "--ignore=tests/PyroTests/test_naming.py" ];
  +
  +  pytestFlagsArray = [
  +    # ignore network related tests, which fail in sandbox
  +    "--ignore=tests/PyroTests/test_naming.py"
  +  ];
   
     disabledTests = [
       "StartNSfunc"
  
positive.code: }:
  
  buildPythonPackage rec {
    pname = "Pyro4";
    version = "4.81";
  
    disabled = isPy27;
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "e130da06478b813173b959f7013d134865e07fbf58cc5f1a2598f99479cdac5f";
    };
  
    propagatedBuildInputs = [
  
negative.code:   # otherwise the tests hang the build
    __darwinAllowLocalNetworking = true;
  
    pythonImportsCheck = [
      "Pyro4"
    ];
  
    meta = with lib; {
      description = "Distributed object middleware for Python (RPC)";
      homepage = "https://github.com/irmen/Pyro4";
  