def lighten(self, amount=51, region=None):

        # NOTE - I chose 51 for the default amount because 51 is a fifth of 255.
        self.tint(amount, amount, amount, region)
Returns a tuple containing the *inner traits* for this trait. Most
dataset/ETHPy150Open asweigart/pygcurse/pygcurse/__init__.py/PygcurseSurface.lighten--crossover with--dataset/ETHPy150Open enthought/traits/traits/trait_handlers.py/BaseTraitHandler.inner_traits