diff --git a/egs/librispeech/ASR/.conv_feat_vis.py.swp b/egs/librispeech/ASR/.conv_feat_vis.py.swp
index 5b7c43dd7..ee027085f 100644
Binary files a/egs/librispeech/ASR/.conv_feat_vis.py.swp and b/egs/librispeech/ASR/.conv_feat_vis.py.swp differ
diff --git a/egs/librispeech/ASR/conv_feat_vis.py b/egs/librispeech/ASR/conv_feat_vis.py
index 9f82de3be..0aecc81ac 100644
--- a/egs/librispeech/ASR/conv_feat_vis.py
+++ b/egs/librispeech/ASR/conv_feat_vis.py
@@ -20,7 +20,7 @@ for spk in tqdm(spk_list):
 
     feats_all = feats_all.transpose(1,0)
 
-    for i in range(512):
+    for i in tqdm(range(512), leave=False):
         mean = feats_all[i].mean()
         std = feats_all[i].std()
         statistic_file.write(f'{mean} {std}')