diff --git a/icefall/rnn_lm/train.py b/icefall/rnn_lm/train.py
index 86bf9b7e0..c860688c4 100755
--- a/icefall/rnn_lm/train.py
+++ b/icefall/rnn_lm/train.py
@@ -516,7 +516,6 @@ def train_one_epoch(
                 model_avg=model_avg,
             )
 
-
         if (
             params.batch_idx_train > 0
             and params.batch_idx_train % params.save_every_n == 0