diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train_uda.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train_uda.py.swp
index 54db45acb..b1f5bbadd 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train_uda.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.train_uda.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train_uda.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train_uda.py
index 0dc10ae11..11ae126b7 100755
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train_uda.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/train_uda.py
@@ -967,7 +967,7 @@ def train_one_epoch(
     optimizer: torch.optim.Optimizer or [torch.optim.Optimizer, torch.optim.Optimizer],
     scheduler: LRSchedulerType or [LRSchedulerType, LRSchedulerType],
     sp: spm.SentencePieceProcessor,
-    train_dl: torch.utils.data.DataLoader,
+    train_dl: torch.utils.data.DataLoader or [torch.utils.data.DataLoader, torch.utils.data.DataLoader],
     valid_dl: torch.utils.data.DataLoader,
     scaler: GradScaler,
     model_avg: Optional[nn.Module] = None,