import pickle should be import cPickle

[Alex Meade]

cPickle is a faster implementation than pickle. We should just be using cPickle everywhere we are using pickle. See http://docs.python.org/library/pickle.html#module-cPickle

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/5253

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/5253
Committed: http://github.com/openstack/nova/commit/00592cfa0b90c66682be2bc31428277c35a35c48
Submitter: Jenkins
Branch: master

commit 00592cfa0b90c66682be2bc31428277c35a35c48
Author: Alex Meade <email address hidden>
Date: Mon Mar 12 21:49:11 2012 +0000

    Use cPickle and not just pickle.

    Fixes bug 953423

    cPickle is up to 1000 times faster than pickle. We should use it instead.

    Change-Id: I1facbdcf60d88c9fba56687abf75524498d2502e