diff --git a/utils/masking.py b/utils/masking.py
index 6e37408..6d58992 100644
--- a/utils/masking.py
+++ b/utils/masking.py
@@ -2,7 +2,6 @@ import mindspore
 import mindspore.ops.operations as P
 import mindspore.numpy as mnp
 
-
 class TriangularCausalMask():
     def __init__(self, B, L, device="cpu"):
         mask_shape = [B, 1, L, L]