diff --git a/utils/config_utils.py b/utils/config_utils.py
index 4036834..cec64d0 100644
--- a/utils/config_utils.py
+++ b/utils/config_utils.py
@@ -3,6 +3,7 @@
 Copyright (c) 2018. All rights reserved.
 Created by C. L. Wang on 2018/4/18
 """
+from __future__ import absolute_import
 import argparse
 import json