AutoDependOn with script argument only is not working

QStringList Component::autoDependencies() const
{
    QStringList autoDependencyStringList =
        d->m_vars.value(scAutoDependOn).split(QInstaller::commaRegExp(), QString::SkipEmptyParts);
    autoDependencyStringList.removeAll(QLatin1String("script"));
    return autoDependencyStringList;
}

bool Component::isAutoDependOn(const QSet<QString> &componentsToInstall) const
{
    // If there is no auto depend on value or the value is empty, we have nothing todo. The component does
    // not need to be installed as an auto dependency.
    QStringList autoDependOnList = autoDependencies();
    if (autoDependOnList.isEmpty())
        return false;