Switch to oslo.utils

Change-Id: Iacfcbf49864198915f8c229bc552afb412b83b79

ceilometer/event/converter.py

@@ -20,12 +20,12 @@ import os
 
 import jsonpath_rw
 from oslo.config import cfg
+from oslo.utils import timeutils
 import six
 import yaml
 
 from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
-from ceilometer.openstack.common import timeutils
 from ceilometer.storage import models
 
 OPTS = [