Method autoscale_None

lib/matplotlib/colors.py:2369–2371

If *vmin* or *vmax* are not set, use the min/max of *A* to set them.

(self, A)

    @abstractmethod
    def autoscale_None(self, A):
        """If *vmin* or *vmax* are not set, use the min/max of *A* to set them."""
        pass

    @abstractmethod
    def scaled(self):