centos-binary gate fails to build horizon image

http://logs.openstack.org/02/243402/1/check/gate-kolla-dsvm-build-images-centos-binary/73b2cfc/console.html#_2015-11-10_03_57_32_942

2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon:Step 0 : FROM kollaglue/centos-binary-openstack-base:latest
2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon: ---> a5b43ff51842
2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon:Step 1 : MAINTAINER Kolla Project (https://launchpad.net/kolla)
2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon: ---> Using cache
2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon: ---> 4d3a557a1543
2015-11-10 03:57:32.936 | DEBUG:kolla.cmd.build:horizon:Step 2 : RUN yum -y install openstack-dashboard httpd mod_wsgi && yum clean all && chown -R apache: /usr/share/openstack-dashboard/static && useradd --user-group horizon && sed -i -r 's,^(Listen 80),#\1,' /etc/httpd/conf/httpd.conf && ln -s /usr/share/openstack-dashboard/openstack_dashboard /usr/lib/python2.7/site-packages/openstack_dashboard && ln -s /usr/share/openstack-dashboard/static /usr/lib/python2.7/site-packages/static && chown -R horizon: /etc/openstack-dashboard
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon: ---> Using cache
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon: ---> 27fc90f08e2f
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon:Step 3 : RUN sed -i "s|WEBROOT = '/dashboard/'|WEBROOT = '/'|" /etc/openstack-dashboard/local_settings && cp /usr/share/openstack-dashboard/manage.py /usr/bin/manage.py && /usr/bin/python /usr/bin/manage.py collectstatic --noinput --clear && /usr/bin/python /usr/bin/manage.py compress --force
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon: ---> Running in a8ca0b179fa9
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon:Traceback (most recent call last):
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon: File "/usr/bin/manage.py", line 23, in <module>
2015-11-10 03:57:32.937 | DEBUG:kolla.cmd.build:horizon: execute_from_command_line(sys.argv)
2015-11-10 03:57:32.938 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line
2015-11-10 03:57:32.938 | DEBUG:kolla.cmd.build:horizon: utility.execute()
2015-11-10 03:57:32.939 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/django/core/management/__init__.py", line 303, in execute
2015-11-10 03:57:32.939 | DEBUG:kolla.cmd.build:horizon: settings.INSTALLED_APPS
2015-11-10 03:57:32.939 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line 48, in __getattr__
2015-11-10 03:57:32.939 | DEBUG:kolla.cmd.build:horizon: self._setup(name)
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line 44, in _setup
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: self._wrapped = Settings(settings_module)
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/django/conf/__init__.py", line 92, in __init__
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: mod = importlib.import_module(self.SETTINGS_MODULE)
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
2015-11-10 03:57:32.940 | DEBUG:kolla.cmd.build:horizon: __import__(name)
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/openstack_dashboard/settings.py", line 359, in <module>
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: from openstack_auth import policy
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/openstack_auth/policy.py", line 24, in <module>
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: from openstack_auth import utils as auth_utils
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/openstack_auth/utils.py", line 24, in <module>
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: from keystoneclient.auth.identity import v2 as v2_auth
2015-11-10 03:57:32.941 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/keystoneclient/auth/__init__.py", line 14, in <module>
2015-11-10 03:57:32.942 | DEBUG:kolla.cmd.build:horizon: from keystoneclient.auth.base import * # noqa
2015-11-10 03:57:32.942 | DEBUG:kolla.cmd.build:horizon: File "/usr/lib/python2.7/site-packages/keystoneclient/auth/base.py", line 15, in <module>
2015-11-10 03:57:32.942 | DEBUG:kolla.cmd.build:horizon: from keystoneauth1 import plugin
2015-11-10 03:57:32.942 | DEBUG:kolla.cmd.build:horizon:ImportError: No module named keystoneauth1
2015-11-10 03:57:32.942 | DEBUG:kolla.cmd.build:horizon:Removing intermediate container a8ca0b179fa9

It's apparently missing the keystoneauth1 module.