def __init__(self, config_key: str, parent=None) -> None:
        """
        :param key: Key of the font in Conf
        :parent:    Optional parent of this QWidget
        """
        super().__init__(parent)
        self._config_key = config_key
        self.font: QFont = getattr(Conf, config_key)
        self.released.connect(self._prompt)
        self._format()

        :param key: Key of the font in Conf
        :parent:    Optional parent of this QWidget
        
angrmanagement/ui/widgets/qfont_option.py