diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.data2vec_encoder.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.data2vec_encoder.py.swp
index e62d6b83c..076ae8db9 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.data2vec_encoder.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.data2vec_encoder.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/data2vec_encoder.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/data2vec_encoder.py
index 51f034fab..2bb370681 100644
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/data2vec_encoder.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/data2vec_encoder.py
@@ -96,7 +96,7 @@ class FairSeqData2VecEncoder(EncoderInterface):
         x_lens: torch.Tensor,
         warmup = None,
         prev_states: torch.Tensor = None,
-        prompt: torch.Tensor = None,
+        prompt = None,
     ) -> Tuple[torch.Tensor, torch.Tensor]:
         xs_pad = x
         ilens = x_lens