diff --git a/egs/librispeech/SSL/local/convert_checkpoint_from_fairseq.py b/egs/librispeech/SSL/local/convert_checkpoint_from_fairseq.py
index f06adb9e5..4212cd9c6 100644
--- a/egs/librispeech/SSL/local/convert_checkpoint_from_fairseq.py
+++ b/egs/librispeech/SSL/local/convert_checkpoint_from_fairseq.py
@@ -1,7 +1,8 @@
 # simple script to convert a fairseq checkpoint into pytorch parameter state dict
-import torch
-from collections import OrderedDict
 from argparse import ArgumentParser
+from collections import OrderedDict
+
+import torch
 
 parser = ArgumentParser()
 parser.add_argument("--src")
@@ -13,5 +14,5 @@ tgt = args.tgt
 
 old_checkpoint = torch.load(src)
 new_checkpoint = OrderedDict()
-new_checkpoint['model'] = old_checkpoint['model']
+new_checkpoint["model"] = old_checkpoint["model"]
 torch.save(new_checkpoint, tgt)