def to_css(self):
        if self.a == 1.0:
            return "hsl(%d, %s%%, %s%%)" % (self.h, self.s*100, self.l*100)
        else:
            return "hsla(%d, %s%%, %s%%, %s)" % (self.h, self.s%100, self.l*100, self.a)
dataset/ETHPy150Open bokeh/bokeh/bokeh/colors.py/HSL.to_css/operator `*` -> `%`