def test_without_model(self): column = TreeViewColumn() self.c.append_column(column) column = self.c.get_columns()[0] column.set_sort_indicator(True) self.c.set_search_column(0) with self.c.without_model() as model: self.assertEqual(model, self.m) self.assertTrue(self.c.get_model() is None) self.assertEqual(self.c.get_search_column(), 0) column = self.c.get_columns()[0] self.assertTrue(column.get_sort_indicator())