No module named askbot_stm.urls

edit

I just tried to put my askbot site online, but I get the following error :

Environment:


Request Method: GET
Request URL: ___

Django Version: 1.3
Python Version: 2.6.4
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.sites',
 'django.contrib.admin',
 'django.contrib.humanize',
 'django.contrib.sitemaps',
 'askbot',
 'askbot.deps.django_authopenid',
 'south',
 'askbot.deps.livesettings',
 'keyedcache',
 'robots',
 'django_countries',
 'djcelery',
 'djkombu']
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'askbot.middleware.anon_user.ConnectToSessionMessagesMiddleware',
 'askbot.middleware.pagesize.QuestionsPageSizeMiddleware',
 'askbot.middleware.cancel.CancelActionMiddleware',
 'askbot.deps.recaptcha_django.middleware.ReCaptchaMiddleware',
 'django.middleware.transaction.TransactionMiddleware',
 'askbot.middleware.view_log.ViewLogMiddleware',
 'askbot.middleware.spaceless.SpacelessMiddleware')


Traceback:
File "/opt/python2.6/lib/python2.6/site-packages/django/core/handlers/base.py" in get_response
  101.                             request.path_info)
File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py" in resolve
  250.             for pattern in self.url_patterns:
File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py" in _get_url_patterns
  279.         patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "/opt/python2.6/lib/python2.6/site-packages/django/core/urlresolvers.py" in _get_urlconf_module
  274.             self._urlconf_module = import_module(self.urlconf_name)
File "/opt/python2.6/lib/python2.6/site-packages/django/utils/importlib.py" in import_module
  35.     __import__(name)

Exception Type: ImportError at /
Exception Value: No module named askbot_stm.urls

askbot_stm in my project name, and there is definitely a file names urls.py in the root folder. Does anyone have an idea on how to solve this ?

Thank you !