diff --git a/x2paddle/op_mapper/dygraph/pytorch2paddle/aten.py b/x2paddle/op_mapper/dygraph/pytorch2paddle/aten.py
index 568a3b53beec5a5eff0e1597ad1ee4ee070d4411..d84516a219e00455755d781f73fee473c39d3a7c 100644
--- a/x2paddle/op_mapper/dygraph/pytorch2paddle/aten.py
+++ b/x2paddle/op_mapper/dygraph/pytorch2paddle/aten.py
@@ -31,6 +31,7 @@ dtype_dict = {
 }
 
 
+
 def aten_abs(mapper, graph, node):
     """ 构造获取绝对值的PaddleLayer。
 
diff --git a/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_custom_layer/instance_norm.py b/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_custom_layer/instance_norm.py
index b750ee1b876f5fefa429270cbada873c3b14c6b6..b5b64e446f866929966ea9b8625a1d231f2251a4 100644
--- a/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_custom_layer/instance_norm.py
+++ b/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_custom_layer/instance_norm.py
@@ -16,6 +16,7 @@ import paddle
 from paddle.nn.functional import instance_norm
 from paddle.fluid.initializer import Constant
 
+
 class InstanceNorm(paddle.nn.Layer):
     """
     This class is based class for InstanceNorm1D, 2d, 3d.