Created by: helinwang

[00:00:04]	[Step 1/1] test creator_test.py
[00:00:04]	[Step 1/1] Traceback (most recent call last):
[00:00:04]	[Step 1/1] File "creator_test.py", line 19, in <module>
[00:00:04]	[Step 1/1] import paddle.v2.reader.creator
[00:00:04]	[Step 1/1] File "/paddle/python/paddle/v2/reader/tests/.test_env/local/lib/python2.7/site-packages/paddle/v2/__init__.py", line 26, in <module>
[00:00:04]	[Step 1/1] from . import dataset
[00:00:04]	[Step 1/1] File "/paddle/python/paddle/v2/reader/tests/.test_env/local/lib/python2.7/site-packages/paddle/v2/dataset/__init__.py", line 18, in <module>
[00:00:04]	[Step 1/1] import mnist
[00:00:04]	[Step 1/1] File "/paddle/python/paddle/v2/reader/tests/.test_env/local/lib/python2.7/site-packages/paddle/v2/dataset/mnist.py", line 20, in <module>
[00:00:04]	[Step 1/1] import paddle.v2.dataset.common
[00:00:04]	[Step 1/1] File "/paddle/python/paddle/v2/reader/tests/.test_env/local/lib/python2.7/site-packages/paddle/v2/dataset/common.py", line 30, in <module>
[00:00:04]	[Step 1/1] os.makedirs(DATA_HOME)
[00:00:04]	[Step 1/1] File "/paddle/python/paddle/v2/reader/tests/.test_env/lib/python2.7/os.py", line 157, in makedirs
[00:00:04]	[Step 1/1] mkdir(name, mode)
[00:00:04]	[Step 1/1] OSError: [Errno 17] File exists: '/root/.cache/paddle/dataset'