diff --git a/data/data_loader.py b/data/data_loader.py
index 92271d6..7b02fba 100644
--- a/data/data_loader.py
+++ b/data/data_loader.py
@@ -6,6 +6,7 @@ import mindspore.dataset.vision.c_transforms as CV
 import mindspore.dataset.transforms.vision.py_transforms as VP
 from mindspore import Tensor
 
+
 from utils.tools import StandardScaler
 from utils.timefeatures import time_features