def _default__vis_animator(self):
        p = QPropertyAnimation(self._band, 'windowOpacity')
        p.setDuration(self.band_vis_duration)
        p.finished.connect(self._on_vis_finished)
        return p

    #--------------------------------------------------------------------------
    # Timer Handlers
    #--------------------------------------------------------------------------
Create the default property animator for the rubber band.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/docking/dock_overlay.py/DockOverlay._default__vis_animator