diff --git a/models/decoder.py b/models/decoder.py
index 85970b1..dc93fe4 100644
--- a/models/decoder.py
+++ b/models/decoder.py
@@ -1,6 +1,7 @@
 import mindspore.nn as nn
 import mindspore.ops.operations as ops
 
+
 class DecoderLayer(nn.Cell):
     def __init__(self, self_attention, cross_attention, d_model, d_ff=None,
                  dropout=0.1, activation="relu"):