code: def lighting(self, func:LightingFunc, *args:Any, **kwargs:Any):
          "Equivalent to `image = sigmoid(func(logit(image)))`."
          self.logit_px = func(self.logit_px, *args, **kwargs)
          return self lighting(self, func:LightingFunc, *args:Any, **kwargs:Any):
          "Equivalent to `image = sigmoid(func(logit(image)))`."
          self.logit_px = func(self.logit_px, *args, **kwargs)
          return self
docs: Equivalent to `image = sigmoid(func(logit(image)))`.