@observe('orientation', 'live_drag')
    def _update_proxy(self, change):
        # The superclass handler implementation is sufficient.
        super(Splitter, self)._update_proxy(change)
**SUMMARY**
dataset/ETHPy150Open nucleic/enaml/enaml/widgets/splitter.py/Splitter._update_proxy--crossover with--dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/Tracking/TrackSet.py/TrackSet.processTrack