"Unable to get quota information" in horizon when using quantum

Horizon is unable to retrieve quota information. Please see debug and the local_settings.py files below. However using the nova client, I can see retrieve the quota values.

DEBUG MESSAGE

Recoverable error: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-719d4c08-90d0-416a-9829-86eeaa59b6b3)
Traceback (most recent call last):
  File "/home/njoy/horizon/horizon/usage/base.py", line 110, in quota
    self._quotas = api.nova.tenant_quota_usages(self.request)
  File "/home/njoy/horizon/horizon/utils/memoized.py", line 33, in __call__
    value = self.func(*args)
  File "/home/njoy/horizon/horizon/api/nova.py", line 428, in tenant_quota_usages
    floating_ips = tenant_floating_ip_list(request)
  File "/home/njoy/horizon/horizon/api/nova.py", line 252, in tenant_floating_ip_list
    return novaclient(request).floating_ips.list()
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/v1_1/floating_ips.py", line 35, in list
    return self._list("/os-floating-ips", "floating_ips")
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/base.py", line 62, in _list
    _resp, body = self.api.client.get(url)
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/client.py", line 165, in get
    return self._cs_request(url, 'GET', **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/client.py", line 153, in _cs_request
    **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/client.py", line 135, in _time_request
    resp, body = self.request(url, method, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/python_novaclient-2.6.10-py2.7.egg/novaclient/client.py", line 129, in request
    raise exceptions.from_response(resp, body)
ClientException: The server has either erred or is incapable of performing the requested operation. (HTTP 500) (Request-ID: req-719d4c08-90d0-416a-9829-86eeaa59b6b3)
[24/Aug/2012 00:53:49] "GET /nova/ HTTP/1.1" 200 9791
[24/Aug/2012 00:53:49] "GET /i18n/js/horizon/ HTTP/1.1" 200 2158
unable to retrieve service catalog with token
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/v2_0/client.py", line 132, in _extract_service_catalog
    endpoint_type='adminURL')
  File "/usr/local/lib/python2.7/dist-packages/keystoneclient/service_catalog.py", line 62, in url_for
    raise exceptions.EndpointNotFound('Endpoint not found.')
EndpointNotFound: Endpoint not found.

HORIZON LOCAL SETTINGS FILE:
import os

from django.utils.translation import ugettext_lazy as _

DEBUG = True
TEMPLATE_DEBUG = DEBUG

# Set SSL proxy settings:
# For Django 1.4+ pass this header from the proxy after terminating the SSL,
# and don't forget to strip it from the client's request.
# For more information see:
# https://docs.djangoproject.com/en/1.4/ref/settings/#secure-proxy-ssl-header
# SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')

# Specify a regular expression to validate user passwords.
# HORIZON_CONFIG = {
# "password_validator": {
# "regex": '.*',
# "help_text": _("Your password does not meet the requirements.")
# }
# }

LOCAL_PATH = os.path.dirname(os.path.abspath(__file__))

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'dash',
        'USER': 'root',
        'PASSWORD': '$pass',
        'HOST': '192.168.xxx.yyy',
        'default-character-set': 'utf8'
    },
}

QUANTUM_ENABLED = True
SWIFT_ENABLED = False

# Set custom secret key:
# You can either set it to a specific value or you can let horizion generate a
# default secret key that is unique on this machine, e.i. regardless of the
# amount of Python WSGI workers (if used behind Apache+mod_wsgi): However, there
# may be situations where you would want to set this explicitly, e.g. when
# multiple dashboard instances are distributed on different machines (usually
# behind a load-balancer). Either you have to make sure that a session gets all
# requests routed to the same dashboard instance or you set the same SECRET_KEY
# for all of them.
# from horizon.utils import secret_key
# SECRET_KEY = secret_key.generate_or_read_from_file(os.path.join(LOCAL_PATH, '.secret_key_store'))

# We recommend you use memcached for development; otherwise after every reload
# of the django development server, you will have to login again. To use
# memcached set CACHE_BACKED to something like 'memcached://127.0.0.1:11211/'
CACHE_BACKEND = 'locmem://'

# Send email to the console by default
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
# Or send them to /dev/null
#EMAIL_BACKEND = 'django.core.mail.backends.dummy.EmailBackend'

# Configure these for your outgoing email host
# EMAIL_HOST = 'smtp.my-company.com'
# EMAIL_PORT = 25
# EMAIL_HOST_USER = 'djangomail'
# EMAIL_HOST_PASSWORD = 'top-secret!'

# For multiple regions uncomment this configuration, and add (endpoint, title).
# AVAILABLE_REGIONS = [
# ('http://cluster1.example.com:5000/v2.0', 'cluster1'),
# ('http://cluster2.example.com:5000/v2.0', 'cluster2'),
# ]

OPENSTACK_HOST = "192.168.xxx.yyy"
OPENSTACK_KEYSTONE_URL = "http://%s:5000/v2.0" % OPENSTACK_HOST
# OPENSTACK_KEYSTONE_URL = "http://%s:35357/v2.0" % OPENSTACK_HOST
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "Member"
# OPENSTACK_ADMIN_TOKEN="ADMIN"

# The OPENSTACK_KEYSTONE_BACKEND settings can be used to identify the
# capabilities of the auth backend for Keystone.
# If Keystone has been configured to use LDAP as the auth backend then set
# can_edit_user to False and name to 'ldap'.
#
# TODO(tres): Remove these once Keystone has an API to identify auth backend.
OPENSTACK_KEYSTONE_BACKEND = {
    'name': 'native',
    'can_edit_user': True
}

# OPENSTACK_ENDPOINT_TYPE specifies the endpoint type to use for the endpoints
# in the Keystone service catalog. Use this setting when Horizon is running
# external to the OpenStack environment. The default is 'internalURL'.
#OPENSTACK_ENDPOINT_TYPE = "publicURL"

# The number of Swift containers and objects to display on a single page before
# providing a paging element (a "more" link) to paginate results.
API_RESULT_LIMIT = 1000

# The timezone of the server. This should correspond with the timezone
# of your entire OpenStack installation, and hopefully be in UTC.
TIME_ZONE = "UTC"

LOGGING = {
        'version': 1,
        # When set to True this will disable all logging except
        # for loggers specified in this configuration dictionary. Note that
        # if nothing is specified here and disable_existing_loggers is True,
        # django.db.backends will still log unless it is disabled explicitly.
        'disable_existing_loggers': False,
        'handlers': {
            'null': {
                'level': 'DEBUG',
                'class': 'django.utils.log.NullHandler',
                },
            'console': {
                # Set the level to "DEBUG" for verbose output logging.
                'level': 'INFO',
                'class': 'logging.StreamHandler',
                },
            },
        'loggers': {
            # Logging from django.db.backends is VERY verbose, send to null
            # by default.
            'django.db.backends': {
                'handlers': ['null'],
                'propagate': False,
                },
            'horizon': {
                'handlers': ['console'],
                'propagate': False,
            },
            'openstack_dashboard': {
                'handlers': ['console'],
                'propagate': False,
            },
            'novaclient': {
                'handlers': ['console'],
                'propagate': False,
            },
            'keystoneclient': {
                'handlers': ['console'],
                'propagate': False,
            },
            'glanceclient': {
                'handlers': ['console'],
                'propagate': False,
            },
            'nose.plugins.manager': {
                'handlers': ['console'],
                'propagate': False,
            }
        }
}