diff --git a/tests/db/test_utils.py b/tests/db/test_utils.py
index b4fd6bb9..20f2942c 100644
--- a/tests/db/test_utils.py
+++ b/tests/db/test_utils.py
@@ -1,6 +1,8 @@
 import builtins
+
 import pytest
 import rethinkdb as r
+
 import bigchaindb
 from bigchaindb.db import utils
 from .conftest import setup_database as _setup_database