def _last_index(self, s):
        self.set_index(max(0, self._find_one_after_last_labeled_index() - 1))
def on_remove_duplicates_state_changed(self):
        self.fuzz_table_model.remove_duplicates = self.ui.chkBRemoveDuplicates.isChecked()
        self.fuzz_table_model.update()
        self.remove_duplicates()