def lazy_copy(self) -> list[T]:
        """
        Makes a copy without parsing elements.
        Only works if elements have not been parsed yet.
        """
        assert not self._parsed
        return LazyList(
            string=self._string,
            separator=self._separator,
            converter=self._converter,
        )

        Makes a copy without parsing elements.
        Only works if elements have not been parsed yet.
        
cvat/apps/engine/lazy_list.py