Github user rxin commented on the pull request:
https://github.com/apache/spark/pull/1109#issuecomment-46383668
Actually the merge script failed for this pull request. @pwendell any idea?
```
> ./merge_spark_pr.py
Which pull request would you like to merge? (e.g. 34): 1109
=== Pull Request #1109 ===
title SPARK-2170: Fix for global name 'PIPE' is not defined
source gregakespret/spark-ec2-subprocess-script
target master
url https://api.github.com/repos/apache/spark/pulls/1109
Proceed with merging pull request #1109? (y/n): y
From github.com:apache/spark
* [new ref] refs/pull/1109/head -> PR_TOOL_MERGE_PR_1109
From https://git-wip-us.apache.org/repos/asf/spark
* [new branch] master -> PR_TOOL_MERGE_PR_1109_MASTER
Switched to branch 'PR_TOOL_MERGE_PR_1109_MASTER'
Automatic merge went well; stopped before committing as requested
Traceback (most recent call last):
File "./merge_spark_pr.py", line 316, in <module>
merge_hash = merge_pr(pr_num, target_ref)
File "./merge_spark_pr.py", line 152, in merge_pr
run_cmd(['git', 'commit', '--author="%s"' % primary_author] +
merge_message_flags)
File "./merge_spark_pr.py", line 78, in run_cmd
return subprocess.check_output(cmd)
File "/Users/rxin/anaconda/lib/python2.7/subprocess.py", line 573, in
check_output
raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['git', 'commit', '--author="Grega
Kespret <gr...@celtra.com>"', '-m', u"SPARK-2170: Fix for global name 'PIPE' is
not defined", '-m',
u'https://issues.apache.org/jira/browse/SPARK-2170\r\n\r\nBefore this fix, when
running ./spark-ec2 script:\r\n\r\n```\r\n Traceback (most recent call
last):\r\n File "./spark_ec2.py", line 894, in <module>\r\n
main()\r\n File "./spark_ec2.py", line 886, in main\r\n
real_main()\r\n File "./spark_ec2.py", line 770, in real_main\r\n
setup_cluster(conn, master_nodes, slave_nodes, opts, True)\r\n File
"./spark_ec2.py", line 475, in setup_cluster\r\n dot_ssh_tar =
ssh_read(master, opts, [\'tar\', \'c\', \'.ssh\'])\r\n File
"./spark_ec2.py", line 709, in ssh_read\r\n ssh_command(opts) +
[\'%s@%s\' % (opts.user, host), stringify_command(command)])\r\n File
"./spark_ec2.py", line 696, in _check_output\r\n process =
subprocess.Popen(stdout=PIP
E, *popenargs, **kwargs)\r\n NameError: global name \'PIPE\' is not
defined\r\n```', '-m', 'Author: Grega Kespret <gr...@celtra.com>', '-m',
u'Closes #1109 from gregakespret/spark-ec2-subprocess-script and squashes the
following commits:', '-m', "4168dc6 [Grega Kespret] Fix for global name 'PIPE'
is not defined"]' returned non-zero exit status 1
```
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