def reregistered(self, driver, slave_info):
        pass
Handles the mouse entering the window.
dataset/ETHPy150Open rji/mesos-in-action-code-samples/chapter10/executor-skeleton.py/ExampleExecutor.reregistered--crossover with--dataset/ETHPy150Open enthought/pyface/pyface/dock/feature_bar.py/FeatureBar._mouse_enter