在ModelScope中，我想尝试这个新出的声源分离模型怎么办？

在ModelScope中，我想尝试这个新出的声源分离模型，https://modelscope.cn/models/damo/speech_mossformer2_separation_temporal_8k/summary
但是按readme加载模型时遇到一个错误NoValidRevisionError: The model: damo/speech_mossformer2_separation_temporal_8k has no valid revision!代码：
from modelscope.pipelines import pipeline
from modelscope.utils.constant import Tasks
separation = pipeline(
Tasks.speech_separation,
在ModelScope中，model='damo/speech_mossformer2_separation_temporal_8k')怎么解决呢？