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I ran into this to and running the following resolved it for me:

pip install
http://tarballs.openstack.org/oslo-config/oslo-config-2013.1b3.tar.gz#egg=oslo-config

Aaron

On Mon, Feb 18, 2013 at 9:27 AM, Salvatore Orlando <sorlando at nicira.com>wrote:

> Hi Monty,
>
> even if I'm not the recipient of your question, I used easy_install
> when I had this problem.
>
> Salvatore
>
> On 18 February 2013 18:21, Monty Taylor <mordred at inaugust.com> wrote:
> > Akihiro - did you use easy_install or pip?
> >
> > On 02/18/2013 09:14 AM, Akihiro MOTOKI wrote:
> >> I encountered the same problem.
> >> The solution Salvatore says or python setup.py develop for donwloaded
> >> oslo-config tarball resolved the problem.
> >>
> >> In addtion, currios to say, the current oslo config works fine with
> >> the fresh install of Ubuntu 12.04.
> >> I confirm it with devstack. This problem seems to occur when quantum
> >> is updated from the previous version.
> >>
> >> Thanks,
> >> Akihiro
> >>
> >> 2013/2/19 Salvatore Orlando <sorlando at nicira.com>:
> >>> Indeed. This what was looking weird to me, and the reason for which I
> >>> think I'm doing something dumb.
> >>> Basically there are many quantum imports that do
> >>>
> >>> from oslo.config import cfg
> >>>
> >>> and this import fails (on all my 3 dev machines)
> >>>
> >>> I am providing more details below so you can tell me what I'm not
> doing right.
> >>> This is what happens (and my default sys.path which includes oslo's
> directory):
> >>>
> >>>
> >>>>>> import sys
> >>>>>> sys.path
> >>> ['', '/usr/local/lib/python2.7/dist-packages/alembic-0.4.2-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/tox-1.4.2-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/py-1.4.12-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/virtualenv-1.8.4-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/WebOb-1.2.3-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/unittest2-0.5.1-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/pep8-1.4.2-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/netaddr-0.7.10-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/mock-1.0.1-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/cliff-1.3-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/prettytable-0.6.1-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/fixtures-0.3.12-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/testtools-0.9.29-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/extras-0.0.3-py2.7.egg',
> >>>
> '/usr/local/lib/python2.7/dist-packages/openstack.common-2013.1.a172.g8ce5947-py2.7.egg',
> >>>
> '/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.9-py2.7-linux-x86_64.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/stevedore-0.8-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/kombu-1.0.4-py2.7.egg',
> >>> '/usr/local/lib/python2.7/dist-packages/anyjson-0.2.4-py2.7.egg',
> >>>
> '/usr/local/lib/python2.7/dist-packages/greenlet-0.4.0-py2.7-linux-x86_64.egg',
> >>>
> '/usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg',
> >>> '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2',
> >>> '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old',
> >>> '/usr/lib/python2.7/lib-dynload',
> >>> '/usr/local/lib/python2.7/dist-packages',
> >>> '/usr/lib/python2.7/dist-packages',
> >>> '/usr/lib/python2.7/dist-packages/PIL',
> >>> '/usr/lib/python2.7/dist-packages/gst-0.10',
> >>> '/usr/lib/python2.7/dist-packages/gtk-2.0',
> >>> '/usr/lib/pymodules/python2.7',
> >>> '/usr/lib/python2.7/dist-packages/ubuntu-sso-client',
> >>> '/usr/lib/python2.7/dist-packages/ubuntuone-client',
> >>> '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel',
> >>> '/usr/lib/python2.7/dist-packages/ubuntuone-couch',
> >>> '/usr/lib/python2.7/dist-packages/ubuntuone-installer',
> >>> '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']
> >>>>>> from oslo.config import cfg as config
> >>> Traceback (most recent call last):
> >>>   File "<stdin>", line 1, in <module>
> >>> ImportError: No module named oslo.config
> >>>>>> quit()
> >>>
> >>>
> >>> Then I do the following, probably horrible thing:
> >>>
> >>> salvatore at ubuntu:~$ sudo touch
> >>>
> /usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg/oslo/__init__.py
> >>>
> >>> And the import works
> >>>
> >>> salvatore at ubuntu:~$ python
> >>> Python 2.7.3 (default, Aug  1 2012, 05:14:39)
> >>> [GCC 4.6.3] on linux2
> >>> Type "help", "copyright", "credits" or "license" for more information.
> >>>>>> from oslo.config import cfg as config
> >>>>>> type(config.CONF)
> >>> <class 'oslo.config.cfg.ConfigOpts'>
> >>>>>>
> >>>
> >>>
> >>>
> >>>
> >>> On 18 February 2013 16:19, Doug Hellmann <doug.hellmann at dreamhost.com>
> wrote:
> >>>> On Mon, Feb 18, 2013 at 8:58 AM, Salvatore Orlando <
> sorlando at nicira.com>
> >>>> wrote:
> >>>>>
> >>>>> Hi,
> >>>>>
> >>>>> After updating my Quantum code with the one which uses oslo as a
> >>>>> dependency, making the source tree incredibly slimmer, I saw Quantum
> >>>>> was still failing in importing oslo, even if it was correctly in the
> >>>>> pip-requires (and I did re-install the package).
> >>>>>
> >>>>> Oslo also showed up correctly in
> >>>>> /usr/local/lib/python2.7/dist-packages/oslo_config-2013.1b3-py2.7.egg
> >>>>> I wondered why the import was failing and I found no __init__.py in
> >>>>> the oslo folder. This was easily fixed, but I am still not able to
> >>>>> understand what I did wrong (I just did sudo easy_install
> >>>>> <tarball_url>), since everything looks fine in the tarball.
> >>>>
> >>>>
> >>>> Oslo is a namespace package, so it shouldn't be imported directly and
> >>>> doesn't need an __init__.py.
> >>>>
> >>>> What import was failing and what was the traceback?
> >>>>
> >>>> Doug
> >>>>
> >>>>>
> >>>>>
> >>>>> Regards, and thanks in advance,
> >>>>> Salvatore
> >>>>>
> >>>>> _______________________________________________
> >>>>> OpenStack-dev mailing list
> >>>>> OpenStack-dev at lists.openstack.org
> >>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> >>>>
> >>>>
> >>>>
> >>>> _______________________________________________
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> >>>>
> >>>
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> >>
> >>
> >>
> >
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