diff --git a/egs/librilight/SSL/zipformer/ssl_datamodule.py b/egs/librilight/SSL/zipformer/ssl_datamodule.py
index 1c6d74a4a..e32bedaf6 100644
--- a/egs/librilight/SSL/zipformer/ssl_datamodule.py
+++ b/egs/librilight/SSL/zipformer/ssl_datamodule.py
@@ -23,8 +23,8 @@ from functools import lru_cache
 from pathlib import Path
 from typing import Any, Dict, Optional
 
-import torch
 import lhotse
+import torch
 from dataset import HubertDataset
 from lhotse import CutSet, load_manifest_lazy
 from lhotse.dataset import DynamicBucketingSampler, SimpleCutSampler