fix_python3_bug

README.md

@@ -13,7 +13,7 @@ git clone https://github.com/PaddlePaddle/PALM.git
 - Python >= 2.7
 - cuda >= 9.0
 - cudnn >= 7.0
-- PaddlePaddle >= 1.5.0 (请参考[安装指南](http://www.paddlepaddle.org/#quick-start)进行安装)
+- PaddlePaddle >= 1.6 (请参考[安装指南](http://www.paddlepaddle.org/#quick-start)进行安装)
 
 ## 目录结构
 

backbone/utils/transformer.py

@@ -18,6 +18,7 @@ from __future__ import division
 from __future__ import print_function
 
 from functools import partial
+from functools import reduce
 import numpy as np
 
 import paddle.fluid as fluid