def add_item(self, title, description, icon):
        new_item = ListViewItem(title = title,
                                description = description,
                                icon = icon)
        self.layout().insertWidget(self.layout().count() - 1,
                                   new_item)
Get all snapshots related to this volume.  Note that this requires
dataset/ETHPy150Open tuturto/pyherc/src/herculeum/ui/gui/widgets.py/ListView.add_item--crossover with--dataset/ETHPy150Open darcyliu/storyboard/boto/ec2/volume.py/Volume.snapshots