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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1499271

Title:
  MetricsWeigher can return a NoneType exception

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  If host_state.metrics is set to None, then calling the MetricsWeigher
  returns:


    File "/opt/stack/new/nova/nova/scheduler/weights/metrics.py", line 89, in _weigh_object
      metrics_dict = {m.name: m for m in host_state.metrics}

  TypeError: 'NoneType' object is not iterable


  http://logs.openstack.org/05/226805/2/check/gate-ironic-inspector-
  dsvm/5cd5071/logs/screen-n-cond.txt.gz?level=WARNING

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