diff --git a/fluid/text_classification/infer.py b/fluid/text_classification/infer.py
index a205c6ff74dce563dc16b12f5fcbab7f0bc44f3d..d2a0363d786866a92195dba8b490287b3ca9bc9d 100644
--- a/fluid/text_classification/infer.py
+++ b/fluid/text_classification/infer.py
@@ -1,10 +1,12 @@
-import paddle.fluid as fluid
-import paddle.v2 as paddle
-import numpy as np
 import sys
 import time
 import unittest
 import contextlib
+import numpy as np
+
+import paddle.fluid as fluid
+import paddle.v2 as paddle
+
 import utils
 
 
diff --git a/fluid/text_classification/nets.py b/fluid/text_classification/nets.py
index a44a64a163d7a69d13676cd404dc5af5b54df4ae..9aa0dc332bd5544752f5ea4bf1969fe6ce194051 100644
--- a/fluid/text_classification/nets.py
+++ b/fluid/text_classification/nets.py
@@ -1,9 +1,9 @@
-import paddle.fluid as fluid
-import paddle.v2 as paddle
-import numpy as np
 import sys
 import time
+import numpy as np
 
+import paddle.fluid as fluid
+import paddle.v2 as paddle
 
 def bow_net(data,
             label,
diff --git a/fluid/text_classification/train.py b/fluid/text_classification/train.py
index 407103de54732169d0a0de6bdca8742d5662232c..dc164671e785b758365885b98788fae71d5f8a87 100644
--- a/fluid/text_classification/train.py
+++ b/fluid/text_classification/train.py
@@ -1,10 +1,11 @@
-import paddle.fluid as fluid
-import paddle.v2 as paddle
-import numpy as np
 import sys
 import time
 import unittest
 import contextlib
+
+import paddle.fluid as fluid
+import paddle.v2 as paddle
+
 import utils
 from nets import bow_net
 from nets import cnn_net
diff --git a/fluid/text_classification/utils.py b/fluid/text_classification/utils.py
index 394cb97470dd870d57cbf8b6686b374052fd1547..a37d8d720e1f97d7c70464ff15ef75e3ba049c32 100644
--- a/fluid/text_classification/utils.py
+++ b/fluid/text_classification/utils.py
@@ -1,8 +1,10 @@
-import paddle.fluid as fluid
-import paddle.v2 as paddle
-import numpy as np
 import sys
 import time
+import numpy as np
+
+import paddle.fluid as fluid
+import paddle.v2 as paddle
+
 import light_imdb
 import tiny_imdb