Sets the variable QPushButton true state.

def __set_false_state(self):
        """
        Sets the variable QPushButton true state.
        """

        LOGGER.debug("> Setting variable QPushButton() to 'False' state.")

        self.__state = False

        palette = QPalette()
        palette.setColor(QPalette.Button, self.__colors[1])
        self.setPalette(palette)

        self.setChecked(False)
        self.setText(self.__labels[1])