From bf360c7746db9a5084fb58dc73452cc19048f54a Mon Sep 17 00:00:00 2001
From: tangwei12 <tangwei12@baidu.com>
Date: Mon, 27 Nov 2017 22:19:59 +0800
Subject: [PATCH] fix pipe_reader unimport packages

---
 python/paddle/v2/reader/decorator.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/python/paddle/v2/reader/decorator.py b/python/paddle/v2/reader/decorator.py
index 0695542690..7e457f987d 100644
--- a/python/paddle/v2/reader/decorator.py
+++ b/python/paddle/v2/reader/decorator.py
@@ -14,13 +14,16 @@
 
 __all__ = [
     'map_readers', 'buffered', 'compose', 'chain', 'shuffle',
-    'ComposeNotAligned', 'firstn', 'xmap_readers'
+    'ComposeNotAligned', 'firstn', 'xmap_readers', 'pipe_reader'
 ]
 
+from threading import Thread
+import subprocess
+
+from Queue import Queue
 import itertools
 import random
-from Queue import Queue
-from threading import Thread
+import zlib
 
 
 def map_readers(func, *readers):