fix fro pre-commit

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。
 

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.