How to use the beakerx.beakerx.plot.plotitem.GradientColor function in beakerx

class LabelPositionType(Enum):
    VALUE_OUTSIDE = 1
    VALUE_INSIDE = 2
    CENTER = 3
    BASE_OUTSIDE = 4
    BASE_INSIDE = 5


class GradientColor:
    def __init__(self, *args):
        self.color = args[0]


GradientColor.BROWN_RED_YELLOW = GradientColor([Color(120, 0, 4),
                                                Color(241, 88, 6),
                                                Color(255, 206, 31)])
GradientColor.GREEN_YELLOW_WHITE = GradientColor([Color(0, 170, 0),
                                                  Color(102, 204, 0),
                                                  Color(238, 238, 0),
                                                  Color(238, 187, 68),
                                                  Color(238, 187, 153),
                                                  Color(255, 255, 255)])
GradientColor.WHITE_BLUE = GradientColor([Color(255, 255, 217),
                                          Color(237, 248, 177),
                                          Color(199, 233, 180),
                                          Color(127, 205, 187),
                                          Color(65, 182, 196),
                                          Color(29, 145, 192),
                                          Color(34, 94, 168),
                                          Color(37, 52, 148),

class GradientColor:
    def __init__(self, *args):
        self.color = args[0]


GradientColor.BROWN_RED_YELLOW = GradientColor([Color(120, 0, 4),
                                                Color(241, 88, 6),
                                                Color(255, 206, 31)])
GradientColor.GREEN_YELLOW_WHITE = GradientColor([Color(0, 170, 0),
                                                  Color(102, 204, 0),
                                                  Color(238, 238, 0),
                                                  Color(238, 187, 68),
                                                  Color(238, 187, 153),
                                                  Color(255, 255, 255)])
GradientColor.WHITE_BLUE = GradientColor([Color(255, 255, 217),
                                          Color(237, 248, 177),
                                          Color(199, 233, 180),
                                          Color(127, 205, 187),
                                          Color(65, 182, 196),
                                          Color(29, 145, 192),
                                          Color(34, 94, 168),
                                          Color(37, 52, 148),
                                          Color(8, 29, 88)])


class Graphics(BaseObject):
    def __init__(self, **kwargs):
        super(Graphics, self).__init__(**kwargs)
        self.type = self.__class__.__name__
        self.visible = getValue(kwargs, 'visible', True)
        self.yAxis = getValue(kwargs, 'yAxis')

VALUE_OUTSIDE = 1
    VALUE_INSIDE = 2
    CENTER = 3
    BASE_OUTSIDE = 4
    BASE_INSIDE = 5


class GradientColor:
    def __init__(self, *args):
        self.color = args[0]


GradientColor.BROWN_RED_YELLOW = GradientColor([Color(120, 0, 4),
                                                Color(241, 88, 6),
                                                Color(255, 206, 31)])
GradientColor.GREEN_YELLOW_WHITE = GradientColor([Color(0, 170, 0),
                                                  Color(102, 204, 0),
                                                  Color(238, 238, 0),
                                                  Color(238, 187, 68),
                                                  Color(238, 187, 153),
                                                  Color(255, 255, 255)])
GradientColor.WHITE_BLUE = GradientColor([Color(255, 255, 217),
                                          Color(237, 248, 177),
                                          Color(199, 233, 180),
                                          Color(127, 205, 187),
                                          Color(65, 182, 196),
                                          Color(29, 145, 192),
                                          Color(34, 94, 168),
                                          Color(37, 52, 148),
                                          Color(8, 29, 88)])