diff --git a/bigchaindb/backend/rethinkdb/schema.py b/bigchaindb/backend/rethinkdb/schema.py
index 04384b34..f6041aae 100644
--- a/bigchaindb/backend/rethinkdb/schema.py
+++ b/bigchaindb/backend/rethinkdb/schema.py
@@ -1,6 +1,7 @@
 """Utils to initialize and drop the database."""
 
 import logging
+
 import rethinkdb as r
 
 from bigchaindb import backend