initializeYt method Null safety

Future<void> initializeYt()

Implementation

Future<void> initializeYt() async {
  final File configFile = Util.defaultCredentialsFile;

  if (!configFile.existsSync()) {
    throw Exception(
        'File: ${configFile.path} could not be found.  This is a required file.');
  }

  _yt = await Yt.withOAuth(OAuthCredentials.fromJsonFile(configFile));
}