How to use the dotbot.messenger.level.Level.DEBUG function in dotbot

def debug(self, message):
        self.log(Level.DEBUG, message)

def _color(self, level):
        '''
        Get a color (terminal escape sequence) according to a level.
        '''
        if not self._should_use_color():
            return ''
        elif level < Level.DEBUG:
            return ''
        elif Level.DEBUG <= level < Level.LOWINFO:
            return Color.YELLOW
        elif Level.LOWINFO <= level < Level.INFO:
            return Color.BLUE
        elif Level.INFO <= level < Level.WARNING:
            return Color.GREEN
        elif Level.WARNING <= level < Level.ERROR:
            return Color.MAGENTA
        elif Level.ERROR <= level:
            return Color.RED