[Users] vdsm python error

[jacek burghardt]

I am attempting to use vdsm with arch linux and I am getting this error
when I run vdsm-tool
Traceback (most recent call last):
  File "/usr/bin/vdsm-tool", line 151, in main
    return tool_command[cmd]["command"](*args[1:])
  File "/usr/lib/python2.7/site-packages/vdsm/tool/configurator.py", line
220, in configure
    if service.service_status(s, False) == 0:
  File "/usr/lib/python2.7/site-packages/vdsm/tool/service.py", line 378,
in service_status
    return _runAlts(_srvStatusAlts, srvName)
  File "/usr/lib/python2.7/site-packages/vdsm/tool/service.py", line 341,
in _runAlts
    rc, out, err = alt(srv, *args, **kwarg)
  File "/usr/lib/python2.7/site-packages/vdsm/tool/service.py", line 110,
in wrapper
    rc, out, err = execCmd(cmd, raw=False)
  File "/usr/lib/python2.7/site-packages/vdsm/tool/service.py", line 36, in
execCmd
    return _execCmd(argv, raw=raw, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 682, in
execCmd
    deathSignal=deathSignal, childUmask=childUmask)
TypeError: __init__() got an unexpected keyword argument 'childUmask'
How I can solve it ?
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