Revision 68c6f21c lib/cmdlib.py

b/lib/cmdlib.py
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                                                  hvparams)
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  for node in nodenames:
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    info = hvinfo[node]
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    if info.offline:
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      continue
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    info.Raise()
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    if not info.data or not isinstance(info.data, (tuple, list)):
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      raise errors.OpPrereqError("Cannot get current information"

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