Devstack_failure

All three voting jobs are failing at the same point, stack trace below

gate-tempest-dsvm-full-kilo	FAILURE in 35m 00s
gate-tempest-dsvm-postgres-full-kilo	FAILURE in 34m 54s
gate-tempest-dsvm-neutron-full-kilo	FAILURE in 34m 50s

2016-01-07 23:30:56.491 | + cd /opt/stack/new/horizon
2016-01-07 23:30:56.491 | + ./run_tests.sh -N --compilemessages
2016-01-07 23:30:57.081 | WARNING:root:No local_settings file found.
2016-01-07 23:30:57.420 | Traceback (most recent call last):
2016-01-07 23:30:57.420 |   File "/opt/stack/new/horizon/manage.py", line 23, in <module>
2016-01-07 23:30:57.420 |     execute_from_command_line(sys.argv)
2016-01-07 23:30:57.420 |   File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
2016-01-07 23:30:57.421 |     utility.execute()
2016-01-07 23:30:57.421 |   File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute
2016-01-07 23:30:57.421 |     django.setup()
2016-01-07 23:30:57.421 |   File "/usr/local/lib/python2.7/dist-packages/django/__init__.py", line 21, in setup
2016-01-07 23:30:57.421 |     apps.populate(settings.INSTALLED_APPS)
2016-01-07 23:30:57.421 |   File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 108, in populate
2016-01-07 23:30:57.421 |     app_config.import_models(all_models)
2016-01-07 23:30:57.421 |   File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 202, in import_models
2016-01-07 23:30:57.421 |     self.models_module = import_module(models_module_name)
2016-01-07 23:30:57.421 |   File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
2016-01-07 23:30:57.437 |     __import__(name)
2016-01-07 23:30:57.437 |   File "/usr/local/lib/python2.7/dist-packages/compressor/models.py", line 1, in <module>
2016-01-07 23:30:57.438 |     from compressor.conf import CompressorConf  # noqa
2016-01-07 23:30:57.438 |   File "/usr/local/lib/python2.7/dist-packages/compressor/conf.py", line 5, in <module>
2016-01-07 23:30:57.438 |     from django.template.utils import InvalidTemplateEngineError
2016-01-07 23:30:57.438 | ImportError: No module named utils