anchor.diff:      owner = "jstasiak";
       repo = "python-zeroconf";
       rev = version;
  -    hash = "sha256-QmmVxrvBPEwsmD/XJZClNQj4PUX+7X+75ZWSOO4/C24=";
  +    hash = "sha256-P5yAXh/5J5/giOZTOuk9ay3PF8MNxPOJgtoWeX7xxFk=";
     };
   
     propagatedBuildInputs = [
  
positive.code:     "test_launch_and_close_v4_v6"
      "test_launch_and_close_v6_only"
      "test_integration_with_listener_ipv6"
      # Starting with 0.38.5: AssertionError: assert [('add', '_ht..._tcp.local.')]
      "test_service_browser_expire_callbacks"
    ] ++ lib.optionals stdenv.isDarwin [
      "test_lots_of_names"
  
negative.code: 
  buildPythonPackage rec {
    pname = "zeroconf";
    version = "0.38.6";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  