diff --git a/sqlalchemy_utils/functions/orm.py b/sqlalchemy_utils/functions/orm.py
index 1e37d66..0fd7508 100644
--- a/sqlalchemy_utils/functions/orm.py
+++ b/sqlalchemy_utils/functions/orm.py
@@ -1,5 +1,4 @@
 from collections import OrderedDict
-
 from functools import partial
 from inspect import isclass
 from operator import attrgetter