From 936ac658c07f585e896a83ae0492de64de99664d Mon Sep 17 00:00:00 2001
From: Helin Wang <helinwang@baidu.com>
Date: Tue, 20 Jun 2017 15:44:28 -0700
Subject: [PATCH] Fix unit test error: File exists: /root/.cache/paddle/dataset

---
 python/paddle/v2/dataset/common.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/python/paddle/v2/dataset/common.py b/python/paddle/v2/dataset/common.py
index 9c614914b5..e09ac1a7a0 100644
--- a/python/paddle/v2/dataset/common.py
+++ b/python/paddle/v2/dataset/common.py
@@ -15,6 +15,7 @@
 import requests
 import hashlib
 import os
+import errno
 import shutil
 import sys
 import importlib
@@ -27,7 +28,12 @@ __all__ = ['DATA_HOME', 'download', 'md5file', 'split', 'cluster_files_reader']
 DATA_HOME = os.path.expanduser('~/.cache/paddle/dataset')
 
 if not os.path.exists(DATA_HOME):
-    os.makedirs(DATA_HOME)
+    try:
+        os.makedirs(DATA_HOME)
+    except OSError as exc:
+        if exc.errno != errno.EEXIST:
+            raise
+        pass
 
 
 def md5file(fname):
-- 
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