diff --git a/openslides/__init__.py b/openslides/__init__.py
index a5bc6b52b..8ba881ae8 100644
--- a/openslides/__init__.py
+++ b/openslides/__init__.py
@@ -55,7 +55,6 @@ def hg_version():
     try:
         ui = hgui.ui()
         repository = localrepository(ui, join(conts, '..'))
-        #repository = localrepository(ui, conts)
         ctx = repository['.']
         if ctx.tags() and ctx.tags() != ['tip']:
             version = ' '.join(ctx.tags())
@@ -77,7 +76,7 @@ def hg_version():
     return version
 
 
-import os, site
-
-SITE_ROOT = os.path.realpath(os.path.dirname(__file__))
-site.addsitedir(SITE_ROOT)
+## import os, site
+##
+## SITE_ROOT = os.path.realpath(os.path.dirname(__file__))
+## site.addsitedir(SITE_ROOT)
diff --git a/openslides/agenda/models.py b/openslides/agenda/models.py
index 0c871dd99..32ec36a0b 100644
--- a/openslides/agenda/models.py
+++ b/openslides/agenda/models.py
@@ -104,23 +104,12 @@ class Item(MPTTModel, SlideMixin):
         self.closed = closed
         self.save()
 
-    ## @property
-    ## def active_parent(self):
-        ## """
-        ## Return True if the item has an active parent.
-        ## """
-        ## sid = get_active_slide(only_sid=True).split()
-        ## if  len(sid) == 2 and sid[0] == self.prefix:
-            ## if self.get_ancestors().filter(pk=sid[0]).exists():
-                ## return True
-        ## return False
-
     @property
     def weight_form(self):
         """
         Return the WeightForm for this item.
         """
-        from agenda.forms import ItemOrderForm
+        from openslides.agenda.forms import ItemOrderForm
         try:
             parent = self.parent.id
         except AttributeError:
diff --git a/openslides/agenda/urls.py b/openslides/agenda/urls.py
index 3fa098962..6022bff4d 100644
--- a/openslides/agenda/urls.py
+++ b/openslides/agenda/urls.py
@@ -11,8 +11,8 @@
 """
 
 from django.conf.urls.defaults import url, patterns
-from agenda.views import (Overview, View, SetClosed, ItemUpdate, ItemCreate,
-    ItemDelete, AgendaPDF)
+from openslides.agenda.views import (Overview, View, SetClosed, ItemUpdate,
+    ItemCreate, ItemDelete, AgendaPDF)
 
 urlpatterns = patterns('',
     url(r'^$',
diff --git a/openslides/application/urls.py b/openslides/application/urls.py
index 1ccefbbbd..3b3e83e9e 100644
--- a/openslides/application/urls.py
+++ b/openslides/application/urls.py
@@ -12,10 +12,10 @@
 
 from django.conf.urls.defaults import url, patterns
 
-from application.views import (ApplicationDelete, ViewPoll, ApplicationPDF,
-    ApplicationPollPDF, CreateAgendaItem)
+from openslides.application.views import (ApplicationDelete, ViewPoll,
+    ApplicationPDF, ApplicationPollPDF, CreateAgendaItem)
 
-urlpatterns = patterns('application.views',
+urlpatterns = patterns('openslides.application.views',
     url(r'^$',
         'overview',
         name='application_overview',
diff --git a/openslides/assignment/forms.py b/openslides/assignment/forms.py
index 2c4b6c7b9..b771a41b4 100644
--- a/openslides/assignment/forms.py
+++ b/openslides/assignment/forms.py
@@ -13,10 +13,10 @@
 from django import forms
 from django.utils.translation import ugettext_lazy as _, ugettext_noop
 
-from utils.forms import CssClassMixin
+from openslides.utils.forms import CssClassMixin
 
-from participant.models import Profile
-from assignment.models import Assignment
+from openslides.participant.models import Profile
+from openslides.assignment.models import Assignment
 
 
 class AssignmentForm(forms.ModelForm, CssClassMixin):
diff --git a/openslides/assignment/models.py b/openslides/assignment/models.py
index 21eb10d7b..eaa3207d1 100644
--- a/openslides/assignment/models.py
+++ b/openslides/assignment/models.py
@@ -26,7 +26,7 @@ from openslides.participant.models import Profile
 from openslides.poll.models import (BasePoll, CountInvalid, CountVotesCast,
     BaseOption, PublishPollMixin)
 
-from agenda.models import Item
+from openslides.agenda.models import Item
 
 
 class Assignment(models.Model, SlideMixin):
diff --git a/openslides/assignment/urls.py b/openslides/assignment/urls.py
index e8887f101..0b6e63798 100644
--- a/openslides/assignment/urls.py
+++ b/openslides/assignment/urls.py
@@ -12,10 +12,10 @@
 
 from django.conf.urls.defaults import url, patterns
 
-from assignment.views import (ViewPoll, AssignmentPDF, AssignmentPollPDF,
-    AssignmentPollDelete, CreateAgendaItem)
+from openslides.assignment.views import (ViewPoll, AssignmentPDF,
+    AssignmentPollPDF, AssignmentPollDelete, CreateAgendaItem)
 
-urlpatterns = patterns('assignment.views',
+urlpatterns = patterns('openslides.assignment.views',
     url(r'^$',
         'get_overview',
         name='assignment_overview',
diff --git a/openslides/assignment/views.py b/openslides/assignment/views.py
index 9f54de109..029e93a0c 100644
--- a/openslides/assignment/views.py
+++ b/openslides/assignment/views.py
@@ -25,11 +25,11 @@ from django.contrib.auth.models import User
 from django.shortcuts import redirect
 from django.utils.translation import ungettext, ugettext as _
 
-from utils.pdf import stylesheet
-from utils.template import Tab
-from utils.utils import (template, permission_required, gen_confirm_form,
-    del_confirm_form, ajax_request)
-from utils.views import FormView, DeleteView, PDFView, RedirectView
+from openslides.utils.pdf import stylesheet
+from openslides.utils.template import Tab
+from openslides.utils.utils import (template, permission_required,
+    gen_confirm_form, del_confirm_form, ajax_request)
+from openslides.utils.views import FormView, DeleteView, PDFView, RedirectView
 
 from openslides.config.models import config
 from openslides.participant.models import Profile
diff --git a/openslides/config/models.py b/openslides/config/models.py
index c4c6df33f..cfc953bf2 100644
--- a/openslides/config/models.py
+++ b/openslides/config/models.py
@@ -116,7 +116,8 @@ def set_submenu(sender, request, context, **kwargs):
         except (ImportError, AttributeError):
             continue
 
-        appname = mod.__name__.split('.')[0]
+        appname = mod.__name__.split('.')[-1]
+
         selected = reverse('config_%s' % appname) == request.path
         try:
             title = mod.NAME
diff --git a/openslides/config/urls.py b/openslides/config/urls.py
index 727fafadb..14659f5a8 100644
--- a/openslides/config/urls.py
+++ b/openslides/config/urls.py
@@ -33,7 +33,7 @@ for app in settings.INSTALLED_APPS:
         mod = import_module(app + '.views')
     except ImportError:
         continue
-    appname = mod.__name__.split('.')[0]
+    appname = mod.__name__.split('.')[-2]
     try:
         urlpatterns += patterns('', url(
             r'^%s/$' % appname,
diff --git a/openslides/main.py b/openslides/main.py
index 192d826fd..9f3f94301 100644
--- a/openslides/main.py
+++ b/openslides/main.py
@@ -10,6 +10,7 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
+# for python 2.5 support
 from __future__ import with_statement
 
 import os
@@ -72,6 +73,7 @@ def main(argv = None):
     start_browser(url)
     execute_from_command_line(argv)
 
+
 def detect_listen_opts(address, port):
     if address is None:
         try:
@@ -93,6 +95,7 @@ def detect_listen_opts(address, port):
 
     return address, port
 
+
 def start_browser(url):
     browser = webbrowser.get()
     def f():
@@ -102,6 +105,7 @@ def start_browser(url):
     t = threading.Thread(target = f)
     t.start()
 
+
 def prepare_openslides(url, always_syncdb = False):
     settings_module = os.environ.get(django.conf.ENVIRONMENT_VARIABLE)
     if not settings_module:
@@ -140,6 +144,7 @@ def prepare_openslides(url, always_syncdb = False):
     create_or_reset_admin_user()
     return True
 
+
 def run_syncdb(url):
     # now initialize the database
     argv = ["", "syncdb", "--noinput"]
@@ -147,6 +152,7 @@ def run_syncdb(url):
 
     set_system_url(url)
 
+
 def check_database(url):
     """Detect if database was deleted and recreate if necessary"""
     # can't be imported in global scope as they already require
@@ -162,6 +168,7 @@ def check_database(url):
         return True
     return False
 
+
 def create_or_reset_admin_user():
     # can't be imported in global scope as it already requires
     # the settings module during import
@@ -180,6 +187,7 @@ def create_or_reset_admin_user():
     obj.set_password("admin")
     obj.save()
 
+
 def set_system_url(url):
     # can't be imported in global scope as it already requires
     # the settings module during import
@@ -196,5 +204,6 @@ def generate_secret_key():
     chars = "abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*(-_=+)"
     return get_random_string(50, chars)
 
+
 if __name__ == "__main__":
     main()
diff --git a/openslides/openslides_settings.py b/openslides/openslides_settings.py
index da61bdf5c..15d8151ea 100755
--- a/openslides/openslides_settings.py
+++ b/openslides/openslides_settings.py
@@ -12,7 +12,6 @@
 
 import os
 import sys
-from django.conf.global_settings import *
 
 _fs_encoding = sys.getfilesystemencoding() or sys.getdefaultencoding()
 def _fs2unicode(s):
@@ -21,11 +20,10 @@ def _fs2unicode(s):
     return s.decode(_fs_encoding)
 
 SITE_ROOT = os.path.realpath(os.path.dirname(__file__))
-#SITE_ROOT = os.path.join(SITE_ROOT, '..')
-
 
 AUTH_PROFILE_MODULE = 'participant.Profile'
-AUTHENTICATION_BACKENDS = ('django.contrib.auth.backends.ModelBackend', 'openslides.utils.auth.AnonymousAuth',)
+AUTHENTICATION_BACKENDS = ('django.contrib.auth.backends.ModelBackend',
+    'openslides.utils.auth.AnonymousAuth',)
 
 LOGIN_URL = '/login/'
 LOGIN_REDIRECT_URL = '/'
@@ -34,16 +32,15 @@ DBPATH = _fs2unicode(os.path.join(os.path.join(SITE_ROOT, '..'), 'database.db'))
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
-        'NAME': DBPATH,                      # Or path to database file if using sqlite3.
-        'USER': '',                      # Not used with sqlite3.
-        'PASSWORD': '',                  # Not used with sqlite3.
-        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
-        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': DBPATH,
+        'USER': '',
+        'PASSWORD': '',
+        'HOST': '',
+        'PORT': '',
     }
 }
 
-
 ugettext = lambda s: s
 
 LANGUAGES = (
@@ -111,7 +108,8 @@ MIDDLEWARE_CLASSES = (
 ROOT_URLCONF = 'openslides.urls'
 
 TEMPLATE_DIRS = (
-    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
+    # Put strings here, like "/home/html/django_templates" or
+    # "C:/www/django/templates".
     # Always use forward slashes, even on Windows.
     # Don't forget to use absolute paths, not relative paths.
     _fs2unicode(os.path.join(SITE_ROOT, 'templates')),
@@ -124,14 +122,14 @@ INSTALLED_APPS = (
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'mptt',
-    'utils',
-    'poll',
-    'projector',
-    'agenda',
-    'application',
-    'assignment',
-    'participant',
-    'config',
+    'openslides.utils',
+    'openslides.poll',
+    'openslides.projector',
+    'openslides.agenda',
+    'openslides.application',
+    'openslides.assignment',
+    'openslides.participant',
+    'openslides.config',
 )
 
 TEMPLATE_CONTEXT_PROCESSORS = (
@@ -140,6 +138,6 @@ TEMPLATE_CONTEXT_PROCESSORS = (
     'django.core.context_processors.request',
     'django.core.context_processors.i18n',
     'django.core.context_processors.static',
-    'utils.utils.revision',
+    'openslides.utils.utils.revision',
     'openslides.utils.auth.anonymous_context_additions',
 )
diff --git a/openslides/participant/urls.py b/openslides/participant/urls.py
index b779b5e53..e0245d575 100644
--- a/openslides/participant/urls.py
+++ b/openslides/participant/urls.py
@@ -13,9 +13,10 @@
 from django.conf.urls.defaults import url, patterns
 from django.core.urlresolvers import reverse
 
-from participant.views import ParticipantsListPDF, ParticipantsPasswordsPDF
+from openslides.participant.views import (ParticipantsListPDF,
+    ParticipantsPasswordsPDF)
 
-urlpatterns = patterns('participant.views',
+urlpatterns = patterns('openslides.participant.views',
     url(r'^$',
         'get_overview',
         name='user_overview',
diff --git a/openslides/poll/models.py b/openslides/poll/models.py
index 3b1e9093c..8ad108258 100644
--- a/openslides/poll/models.py
+++ b/openslides/poll/models.py
@@ -160,7 +160,7 @@ class BasePoll(models.Model):
         """
         Return the form for one option of the poll.
         """
-        from poll.forms import OptionForm
+        from openslides.poll.forms import OptionForm
         return OptionForm(extra=self.get_form_values(kwargs['formid']),
             **kwargs)
 
diff --git a/openslides/projector/urls.py b/openslides/projector/urls.py
index 481a4d5df..efba5bbf0 100644
--- a/openslides/projector/urls.py
+++ b/openslides/projector/urls.py
@@ -17,7 +17,7 @@ from openslides.projector.views import (ControlView, ActivateView,
     CountdownEdit, ProjectorEdit, Projector, ActivateOverlay)
 
 
-urlpatterns = patterns('projector.views',
+urlpatterns = patterns('',
     url(r'^$',
         Projector.as_view(),
         {'sid': None},
diff --git a/openslides/urls.py b/openslides/urls.py
index c47cc5deb..85a15fd49 100644
--- a/openslides/urls.py
+++ b/openslides/urls.py
@@ -10,26 +10,25 @@
     :license: GNU GPL, see LICENSE for more details.
 """
 
-from django.conf.urls.defaults import patterns, url, include
 from django.conf import settings
-from django.utils.importlib import import_module
+from django.conf.urls.defaults import patterns, url, include
 from django.shortcuts import redirect
+from django.utils.importlib import import_module
 
 from openslides.utils.views import FrontPage
 
 handler500 = 'openslides.utils.views.server_error'
 
-
 urlpatterns = patterns('',
     # frontpage
     (r'^$', FrontPage.as_view()),
 
-    (r'^agenda/', include('agenda.urls')),
-    (r'^application/', include('application.urls')),
-    (r'^assignment/', include('assignment.urls')),
-    (r'^participant/', include('participant.urls')),
-    (r'^config/', include('config.urls')),
-    (r'^projector/', include('projector.urls')),
+    (r'^agenda/', include('openslides.agenda.urls')),
+    (r'^application/', include('openslides.application.urls')),
+    (r'^assignment/', include('openslides.assignment.urls')),
+    (r'^participant/', include('openslides.participant.urls')),
+    (r'^config/', include('openslides.config.urls')),
+    (r'^projector/', include('openslides.projector.urls')),
     (r'^i18n/', include('django.conf.urls.i18n')),
 )
 
@@ -44,7 +43,8 @@ for plugin in settings.INSTALLED_PLUGINS:
         continue
 
     plugin_name = mod.__name__.split('.')[0]
-    urlpatterns += patterns('', (r'^%s/' % plugin_name, include('%s.urls' % plugin_name)))
+    urlpatterns += patterns('', (r'^%s/' % plugin_name, include('%s.urls'
+        % plugin_name)))
     js_info_dict['packages'].append(plugin_name)
 
 
@@ -64,7 +64,7 @@ urlpatterns += patterns('',
     ),
 
     url(r'^usersettings/$',
-        'participant.views.user_settings',
+        'openslides.participant.views.user_settings',
         name='user_settings',
     ),
 
diff --git a/openslides/utils/pdf.py b/openslides/utils/pdf.py
index 6a1aa1fc8..8dbc727a6 100755
--- a/openslides/utils/pdf.py
+++ b/openslides/utils/pdf.py
@@ -90,7 +90,7 @@ stylesheet.add(ParagraphStyle(
     leading=20,
 ), alias='h3')
 stylesheet.add(ParagraphStyle(
-    name 'Heading4',
+    name='Heading4',
     parent=stylesheet['Bold'],
     fontSize=10,
     leading=20,