verify-fuel-ostf job fails with oslo.serialization error

[Sergey Kulanov]

verify-fuel-ostf job [1] fails with:

======================================================================
ERROR: Failure: ImportError (No module named serialization)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/jenkins/workspace/verify-fuel-ostf/.tox/py26/lib/python2.6/site-packages/nose/loader.py", line 418, in loadTestsFromName
    addr.filename, addr.module)
  File "/home/jenkins/workspace/verify-fuel-ostf/.tox/py26/lib/python2.6/site-packages/nose/importer.py", line 47, in importFromPath
    return self.importFromDir(dir_path, fqname)
  File "/home/jenkins/workspace/verify-fuel-ostf/.tox/py26/lib/python2.6/site-packages/nose/importer.py", line 94, in importFromDir
    mod = load_module(part_fqname, fh, filename, desc)
  File "/home/jenkins/workspace/verify-fuel-ostf/fuel_plugin/testing/tests/unit/test_support_utilities.py", line 18, in <module>
    from fuel_plugin.ostf_adapter import mixins
  File "/home/jenkins/workspace/verify-fuel-ostf/fuel_plugin/ostf_adapter/mixins.py", line 21, in <module>
    from fuel_plugin.ostf_adapter.nose_plugin import nose_utils
  File "/home/jenkins/workspace/verify-fuel-ostf/fuel_plugin/ostf_adapter/nose_plugin/nose_utils.py", line 26, in <module>
    from oslo.serialization import jsonutils
ImportError: No module named serialization

Some examples:
1) https://ci.fuel-infra.org/job/verify-fuel-ostf/290/console
2) https://ci.fuel-infra.org/job/verify-fuel-ostf/289/console
3) https://ci.fuel-infra.org/job/verify-fuel-ostf/288/console

[1] https://ci.fuel-infra.org/job/verify-fuel-ostf/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/199090
Committed: https://git.openstack.org/cgit/stackforge/fuel-ostf/commit/?id=3972cbd5650637f0ea34c651d4e07c8ab01c0d18
Submitter: Jenkins
Branch: master

commit 3972cbd5650637f0ea34c651d4e07c8ab01c0d18
Author: Sebastian Kalinowski <email address hidden>
Date: Tue Jul 7 15:14:06 2015 +0200

    Pin oslo.serialization upper version

    We use oslo.serialization that still uses namespaced package so we need it
    in such version.

    Change-Id: I914e1beedde8234c582f06fa77962095dd68058c
    Closes-Bug: #1472250