def current_knesset(self):
        if self._current_knesset is None:
            try:
                self._current_knesset = self.get_query_set().order_by('-number')[0]
            except __HOLE__:
                #FIX: should document when and why this should happen
                return None
        return self._current_knesset
dataset/ETHPy150Open ofri/Open-Knesset/mks/managers.py/KnessetManager.current_knesset