def get_attachment_files(self):
        return list()
setSpan(row, col, rowSpan, colSpan: int) -> None
dataset/ETHPy150Open Nomadblue/django-nomad-notifier/notifier/models.py/NotificationMixin.get_attachment_files--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/spreadsheet/spreadsheet_tab.py/StandardWidgetSheetTab.setSpan