diff --git a/models/attn.py b/models/attn.py
index 5057c36..9569477 100644
--- a/models/attn.py
+++ b/models/attn.py
@@ -4,6 +4,7 @@ import mindspore.ops as ops
 from mindspore import Tensor
 from mindspore.common import dtype as mstype
 
+
 class FullAttention(nn.Module):
     def __init__(self, mask_flag=True, factor=5, scale=None, attention_dropout=0.1, output_attention=False):
         super(FullAttention, self).__init__()