diff --git a/egs/aishell/ASR/transformer_ctc/.decode.py.swp b/egs/aishell/ASR/transformer_ctc/.decode.py.swp
index 685a7f1ad..c84adcbf5 100644
Binary files a/egs/aishell/ASR/transformer_ctc/.decode.py.swp and b/egs/aishell/ASR/transformer_ctc/.decode.py.swp differ
diff --git a/egs/aishell/ASR/transformer_ctc/decode.py b/egs/aishell/ASR/transformer_ctc/decode.py
index 6515ce88c..ba53f3d7f 100755
--- a/egs/aishell/ASR/transformer_ctc/decode.py
+++ b/egs/aishell/ASR/transformer_ctc/decode.py
@@ -28,6 +28,7 @@ import torch
 import torch.nn as nn
 from asr_datamodule import AishellAsrDataModule
 from conformer import Conformer
+from transformer import Transformer
 
 from icefall.char_graph_compiler import CharCtcTrainingGraphCompiler
 from icefall.checkpoint import average_checkpoints, load_checkpoint