@classmethod
    def normalize(cls, *args):
        a, mode = cls._args_to_array(*args)
        m = cls.limits[:,0][np.newaxis,:]
        M = cls.limits[:,1][np.newaxis,:]
        a = m + a*(M-m)
        print("why do we normalize?")
        return cls._array_to_return(a, mode)
Create the toolbar handler.
dataset/ETHPy150Open yhat/ggplot/ggplot/utils/color.py/ColorModel.normalize--crossover with--dataset/ETHPy150Open awslabs/aws-shell/awsshell/toolbar.py/Toolbar._create_toolbar_handler