diff --git a/paddlespeech/s2t/__init__.py b/paddlespeech/s2t/__init__.py
index 5fe2e16b91baf09f129884c59fc1375449751801..f6476b9aaff6f5c3f469d4d66ccc124cc95ff613 100644
--- a/paddlespeech/s2t/__init__.py
+++ b/paddlespeech/s2t/__init__.py
@@ -114,7 +114,6 @@ if not hasattr(paddle.Tensor, 'new_full'):
     paddle.Tensor.new_full = new_full
     paddle.static.Variable.new_full = new_full
 
-
 def contiguous(xs: paddle.Tensor) -> paddle.Tensor:
     return xs