diff --git a/egs/librispeech/ASR/.prepare_vox.sh.swp b/egs/librispeech/ASR/.prepare_vox.sh.swp
index eb544a79c..81e25c329 100644
Binary files a/egs/librispeech/ASR/.prepare_vox.sh.swp and b/egs/librispeech/ASR/.prepare_vox.sh.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.pseudo.py.swp b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.pseudo.py.swp
index 7c55398da..0ae2cff42 100644
Binary files a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.pseudo.py.swp and b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/.pseudo.py.swp differ
diff --git a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/pseudo.py b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/pseudo.py
index 7e0558260..2be95bc39 100755
--- a/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/pseudo.py
+++ b/egs/librispeech/ASR/pruned_transducer_stateless_d2v_v2/pseudo.py
@@ -37,6 +37,7 @@ done
 """
 
 
+import os
 import argparse
 import logging
 import math