CentOS6.6 AttributeError: 'module' object has no attribute 'check_output'

[ksingh7]

@rochaporto A big thanks for sharing these plugins.

Need help , While trying to use ceph_pool_plugin , i got this error in collectd logs.

[2015-07-09 16:53:04] [error] ceph-pool: failed to ceph pool stats :: 'module' object has no attribute 'check_output' :: Traceback (most recent call last):
  File "/usr/lib/collectd/plugins/ceph/ceph_pool_plugin.py", line 54, in get_stats
    stats_output = subprocess.check_output('ceph osd pool stats -f json', shell=True)
AttributeError: 'module' object has no attribute 'check_output'

[2015-07-09 16:53:04] [info] ceph: collectd new data from service :: took 0 seconds
[2015-07-09 16:53:04] [error] ceph: failed to retrieve stats

[ksingh7]

@rochaporto check_output was introduced in python 2.7 so won't work for < 2.7.

My Ceph cluster systems are running python 2.6 , do you have plans to make this plugin python 2.6 friendly ?