Traceback

gistfile1.py

Environment:


Request Method: GET
Request URL: http://127.0.0.1:8000/admin/review/review/34/delete/

Django Version: 1.6.4
Python Version: 2.7.3
Installed Applications:
('djangocms_admin_style',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'ckeditor',
 'djangoratings',
 'django.contrib.sites',
 'djangocms_text_ckeditor',
 'cms',
 'djangocms_picture',
 'djangocms_snippet',
 'djangocms_teaser',
 'cmsplugin_contact',
 'mptt',
 'menus',
 'south',
 'sekizai',
 'sorl.thumbnail',
 'review',
 'apps.base_app',
 'apps.registration',
 'apps.booking',
 'autoslug',
 'apps.newsletters',
 'apps.restaurant')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.doc.XViewMiddleware',
 'django.middleware.common.CommonMiddleware',
 'cms.middleware.page.CurrentPageMiddleware',
 'cms.middleware.user.CurrentUserMiddleware',
 'cms.middleware.toolbar.ToolbarMiddleware',
 'cms.middleware.language.LanguageCookieMiddleware')


Traceback:
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  114.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/admin/options.py" in wrapper
  432.                 return self.admin_site.admin_view(view)(*args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/utils/decorators.py" in _wrapped_view
  99.                     response = view_func(request, *args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  52.         response = view_func(request, *args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/admin/sites.py" in inner
  198.             return view(request, *args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/utils/decorators.py" in _wrapper
  29.             return bound_func(*args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/utils/decorators.py" in _wrapped_view
  99.                     response = view_func(request, *args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/utils/decorators.py" in bound_func
  25.                 return func(self, *args2, **kwargs2)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/db/transaction.py" in inner
  371.                 return func(*args, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/admin/options.py" in delete_view
  1457.             [obj], opts, request.user, self.admin_site, using)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/admin/util.py" in get_deleted_objects
  109.     collector.collect(objs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/admin/util.py" in collect
  160.             return super(NestedObjects, self).collect(objs, source_attr=source_attr, **kwargs)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/db/models/deletion.py" in collect
  201.                     sub_objs = field.bulk_related_objects(new_objs, self.using)
File "/home/ajith/myvirtualenvs/mawaeid/local/lib/python2.7/site-packages/django/contrib/contenttypes/generic.py" in bulk_related_objects
  239.         return self.rel.to._base_manager.db_manager(using).filter(**{

Exception Type: AttributeError at /admin/review/review/34/delete/
Exception Value: 'str' object has no attribute '_base_manager'