anchor.diff:      "test_subscribe_renew"
       "test_start_server"
       "test_init"
  +  ] ++ lib.optionals stdenv.isDarwin [
  +    "test_deferred_callback_url"
     ];
   
     pythonImportsCheck = [ "async_upnp_client" ];
  
positive.code: { lib
  , aiohttp
  , async-timeout
  , buildPythonPackage
  
negative.code: 
  buildPythonPackage rec {
    pname = "async-upnp-client";
    version = "0.19.2";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "StevenLooman";
      repo = "async_upnp_client";
      rev = version;
      sha256 = "1v8d2lvxihqasn7866zssys16s0lgxkk6ri2dp4rr7wr8g9ixvdr";
    };
  
    propagatedBuildInputs = [
  