diff --git a/prototype/sky/cloud_adaptors/azure.py b/prototype/sky/cloud_adaptors/azure.py
index 69ea4c3c3eb..5ffec4c1d29 100644
--- a/prototype/sky/cloud_adaptors/azure.py
+++ b/prototype/sky/cloud_adaptors/azure.py
@@ -1,6 +1,5 @@
 """Azure cli adaptor"""
 
-
 # pylint: disable=import-outside-toplevel