def deleteLater(self):
        self.renderer_maps = {}
        for ren in self.getRendererList():
            self.mRenWin.RemoveRenderer(ren)
        self.removeObserversFromInteractorStyle()
        self.SetRenderWindow(None)
        QCellWidget.deleteLater(self)
deleteLater() -> None        
dataset/ETHPy150Open VisTrails/VisTrails/contrib/titan/vtkviewcell.py/QVTKViewWidget.deleteLater