Cherry-pick: fix random CI failure.#18011

Merged

zhhsplendid merged 4 commits intoPaddlePaddle:developfrom

zhhsplendid:data_download_py3_develop

Jun 12, 2019

Commits on Jun 11, 2019

move warning of ParallelExecutor (#17945) (#17967)

chengduo
authored and
XiaoguangHu01
committed
Cherry-pick fix random Python3 CI failure.
zhhsplendid
committed
Cherry-pick: disable CUDNN case of test_warpctc_op
zhhsplendid
committed

Commits on Jun 12, 2019

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into data_download_py3_develop
zhhsplendid
committed