diff --git a/lib/charms/mongodb/v0/shards_interface.py b/lib/charms/mongodb/v0/shards_interface.py
index 42dc82851..ae932e3d0 100644
--- a/lib/charms/mongodb/v0/shards_interface.py
+++ b/lib/charms/mongodb/v0/shards_interface.py
@@ -9,8 +9,8 @@
 import logging
 
 from charms.mongodb.v0.helpers import KEY_FILE
-from charms.mongodb.v0.users import MongoDBUser, OperatorUser
 from charms.mongodb.v0.mongodb import MongoDBConnection, NotReadyError, PyMongoError
+from charms.mongodb.v0.users import MongoDBUser, OperatorUser
 from ops.charm import CharmBase
 from ops.framework import Object
 from ops.model import BlockedStatus, MaintenanceStatus