def METHOD_NAME(self, METHOD_NAME):
    """Converts the wrappers current frames to lazy frames.
    Args:
        observation: Ignored
    Returns:
        :class:`LazyFrames` object for the wrapper's frame buffer,  :attr:`self.frames`
    """
    assert len(self.frames) == self.num_stack, (len(self.frames), self.num_stack)
    return LazyFrames(list(self.frames), self.lz4_compress)