I also have the problem. This is my log
ubuntu 12.04 server and icehouse

raul


[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1] mod_wsgi (pid=9692): Exception occurred processing WSGI script '/usr/share/openstack-dashboard/openstack_dashboard/wsgi/django.wsgi'.
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1] Traceback (most recent call last):
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 187, in __call__
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     self.load_middleware()
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 49, in load_middleware
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     mw_instance = mw_class()
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/middleware/locale.py", line 24, in __init__
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     for url_pattern in get_resolver(None).url_patterns:
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 346, in url_patterns
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 341, in urlconf_module
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     self._urlconf_module = import_module(self.urlconf_name)
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/utils/importlib.py", line 40, in import_module
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     __import__(name)
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/urls.py", line 39, in <module>
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     url(r'', include(horizon.urls))
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/conf/urls/__init__.py", line 27, in include
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     patterns = getattr(urlconf_module, 'urlpatterns', urlconf_module)
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/utils/functional.py", line 213, in inner
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     self._setup()
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/utils/functional.py", line 298, in _setup
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     self._wrapped = self._setupfunc()
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 730, in url_patterns
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     return self._urls()[0]
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 737, in _urls
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     self._autodiscover()
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/horizon/base.py", line 782, in _autodiscover
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     import_module('%s.%s' % (app, mod_name))
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/lib/python2.7/dist-packages/django/utils/importlib.py", line 40, in import_module
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     __import__(name)
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/dashboards/router/dashboard.py", line 19, in <module>
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     from openstack_dashboard.api import neutron
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]   File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/api/__init__.py", line 36, in <module>
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1]     from openstack_dashboard.api import base
[Thu Mar 13 09:54:36 2014] [error] [client 192.168.100.1] ImportError: cannot import name base