diff --git a/python/ELMo/infer.py b/python/ELMo/infer.py
index c669c3d427edd..4e7ec1bb637c9 100644
--- a/python/ELMo/infer.py
+++ b/python/ELMo/infer.py
@@ -1,4 +1,5 @@
 #coding: utf-8
+from __future__ import print_function
 import numpy as np
 import paddle
 import argparse