anchor.diff:      owner = "jstasiak";
       repo = "python-zeroconf";
       rev = version;
  -    hash = "sha256-Q/rrN7xzbehwMa3yFVP5F9ztUcJCDsfBIGf0b/GPzLM=";
  +    hash = "sha256-R6q5fq8P91q+qhy+lOCuoKUMFBvkKFsKLVCoqIy7Qpk=";
     };
   
     propagatedBuildInputs = [
  +    async-timeout
       ifaddr
     ];
   
  
positive.code: { stdenv
  , lib
  , buildPythonPackage
  , fetchFromGitHub
  , ifaddr
  
negative.code:     "test_launch_and_close_v4_v6"
      "test_launch_and_close_v6_only"
      "test_integration_with_listener_ipv6"
      # Starting with 0.39.0: AssertionError: assert [('add', '_ht..._tcp.local.')]
      "test_service_browser_expire_callbacks"
    ] ++ lib.optionals stdenv.isDarwin [
      "test_lots_of_names"
  