diff --git a/core/db_adapter/ceph/ceph_adapter.py b/core/db_adapter/ceph/ceph_adapter.py
index 07a749ef..97d91bb2 100644
--- a/core/db_adapter/ceph/ceph_adapter.py
+++ b/core/db_adapter/ceph/ceph_adapter.py
@@ -13,6 +13,7 @@
 
 ssl._create_default_https_context = ssl._create_unverified_context
 
+
 class CephAdapter(DBAdapter):
     def __init__(self, config):
         self._bucket = None