diff --git a/tests/unit/fixtures.py b/tests/unit/fixtures.py
index 3b755fa..9d1d6a3 100644
--- a/tests/unit/fixtures.py
+++ b/tests/unit/fixtures.py
@@ -94,6 +94,7 @@ def sscan(self, name, cursor=0, match=None, count=None):
 
         return (new_cursor, elements[start:end])
 
+
 @pytest.fixture()
 def redis_mongo_db():
     mongo_db = mongomock.MongoClient().db