diff --git a/utils/metrics.py b/utils/metrics.py
index 40e9cce..696d436 100644
--- a/utils/metrics.py
+++ b/utils/metrics.py
@@ -1,6 +1,5 @@
 import mindspore.numpy as mnp
 
-
 def RSE(pred, true):
     return mnp.sqrt(mnp.sum((true-pred)**2)) / mnp.sqrt(mnp.sum((true-true.mean())**2))