File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/utils/translation/trans_real.py", line 160, in _fetch
    app = import_module(appname)
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/srv/www/sentry/local/lib/python2.7/site-packages/sentry-5.0.14-py2.7.egg/sentry/plugins/__init__.py", line 9, in <module>
    from sentry.plugins.base import *  # NOQA
  File "/srv/www/sentry/local/lib/python2.7/site-packages/sentry-5.0.14-py2.7.egg/sentry/plugins/base.py", line 17, in <module>
    from sentry.utils.db import InstanceManager
  File "/srv/www/sentry/local/lib/python2.7/site-packages/sentry-5.0.14-py2.7.egg/sentry/utils/db.py", line 14, in <module>
    from django.db.models.expressions import ExpressionNode, F
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/db/__init__.py", line 40, in <module>
    backend = load_backend(connection.settings_dict['ENGINE'])
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/db/__init__.py", line 34, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/db/utils.py", line 92, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/db/utils.py", line 24, in load_backend
    return import_module('.base', backend_name)
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/utils/importlib.py", line 35, in import_module
    __import__(name)
  File "/srv/www/sentry/local/lib/python2.7/site-packages/Django-1.4.1-py2.7.egg/django/db/backends/postgresql_psycopg2/base.py", line 8, in <module>
    from django.db import utils
ImportError: cannot import name utils