gengchc2 5b8e3d4d6c Replace six.iteritems() with .items()
1.As mentioned in [1], we should avoid using
six.iteritems to achieve iterators. We can
use dict.items instead, as it will return
iterators in PY3 as well. And dict.items/keys
will more readable. 2.In py2, the performance
about list should be negligible, see the link [2].
[1] https://wiki.openstack.org/wiki/Python3
[2] http://lists.openstack.org/pipermail/openstack-dev/2015-June/066391.html

Change-Id: Ic6af69d5b4b36f3dd02aab0f9c446aa54970f388
2016-12-09 11:31:24 +08:00
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