[openstack-dev] [all] Testtools 1.7.0 may error if you installed it before reading this email

Sean Dague sean at dague.net
Wed Mar 11 13:04:44 UTC 2015

On 03/10/2015 08:52 PM, Joe Gordon wrote:
> On Tue, Mar 10, 2015 at 5:09 PM, Alan Pevec <apevec at gmail.com
> <mailto:apevec at gmail.com>> wrote:
>     > The wheel has been removed from PyPI and anyone installing testtools
>     > 1.7.0 now will install from source which works fine.
>     On stable/icehouse devstack fails[*] with
>     pkg_resources.VersionConflict: (unittest2 0.5.1
>     (/usr/lib/python2.7/dist-packages),
>     Requirement.parse('unittest2>=1.0.0'))
>     when installing testtools 1.7.0
>     unittest2 is not capped in stable/icehouse requirements, why is it not
>     upgraded by pip?
> Tracking bug: https://bugs.launchpad.net/devstack/+bug/1430592

So, we can work around this in devstack, but it seems like there is a
more fundamental bug here that setup project isn't following dependencies.

Is this just another 'pip is drunk' issue in it not actually satisfying


Sean Dague

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