diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train.py.swp
index c1a6a85c5..d3cb8983f 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train.py
index d992b87ae..cda87e927 100755
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train.py
@@ -138,7 +138,7 @@ def set_batch_count(model: Union[nn.Module, DDP], batch_count: float) -> None:
     model.encoder.num_updates = int(batch_count)
 
 
-def add_adapter_arguments(cls, parser: argparse.ArgumentParser):
+def add_adapter_arguments(parser: argparse.ArgumentParser):
     parser.add_argument(
         "--add-adapter",
         type=str2bool,