Grega Kespret created SPARK-2170:
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             Summary: Fix for global name 'PIPE' is not defined.
                 Key: SPARK-2170
                 URL: https://issues.apache.org/jira/browse/SPARK-2170
             Project: Spark
          Issue Type: Bug
          Components: EC2
         Environment: $ python --version
Python 2.6.6

$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 6.0.9 (squeeze)
Release:        6.0.9
Codename:       squeeze

            Reporter: Grega Kespret
            Priority: Minor


When running spark-ec2.py script, it fails with error "NameError: global name 
'PIPE' is not defined".

    Traceback (most recent call last):
      File "./spark_ec2.py", line 894, in <module>
        main()
      File "./spark_ec2.py", line 886, in main
        real_main()
      File "./spark_ec2.py", line 770, in real_main
        setup_cluster(conn, master_nodes, slave_nodes, opts, True)
      File "./spark_ec2.py", line 475, in setup_cluster
        dot_ssh_tar = ssh_read(master, opts, ['tar', 'c', '.ssh'])
      File "./spark_ec2.py", line 709, in ssh_read
        ssh_command(opts) + ['%s@%s' % (opts.user, host), 
stringify_command(command)])
      File "./spark_ec2.py", line 696, in _check_output
        process = subprocess.Popen(stdout=PIPE, *popenargs, **kwargs)
    NameError: global name 'PIPE' is not defined



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