Live Demo doesn't work - Githubissues

FYI Demo Site still doesn't work as of 2018-02-03. Here's the traceback (debug is set to true!)
Environment:

Request Method: POST
Request URL: http://xadmin-show.herokuapp.com/

Django Version: 1.9.7
Python Version: 2.7.12
Installed Applications:
('django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.sites',
 'django_comments',
 'xadmin',
 'crispy_forms',
 'reversion',
 'app',
 'host')
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware')

Traceback:

File "/app/.heroku/python/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  149.                     response = self.process_exception_by_middleware(e, request)

File "/app/.heroku/python/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  147.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/xadmin/sites.py" in wrapper
  292.                 return self.admin_view(view, cacheable)(*args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  57.         response = view_func(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/xadmin/sites.py" in inner
  199.                 return self.create_admin_view(self.login_view)(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/xadmin/views/base.py" in view
  256.             return handler(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  57.         response = view_func(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/xadmin/views/website.py" in post
  69.         return self.get(request)

File "/app/.heroku/python/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  57.         response = view_func(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/xadmin/views/website.py" in get
  65.         return login(request, **defaults)

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/views.py" in inner
  49.         return func(*args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/views/decorators/debug.py" in sensitive_post_parameters_wrapper
  76.             return view(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/utils/decorators.py" in _wrapped_view
  149.                     response = view_func(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/views/decorators/cache.py" in _wrapped_view_func
  57.         response = view_func(request, *args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/views.py" in login
  76.             auth_login(request, form.get_user())

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/__init__.py" in login
  110.         request.session.cycle_key()

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/sessions/backends/base.py" in cycle_key
  305.         self.create()

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/sessions/backends/db.py" in create
  53.                 self.save(must_create=True)

File "/app/.heroku/python/lib/python2.7/site-packages/django/contrib/sessions/backends/db.py" in save
  86.                 obj.save(force_insert=must_create, using=using)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/base.py" in save
  708.                        force_update=force_update, update_fields=update_fields)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/base.py" in save_base
  736.             updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/base.py" in _save_table
  820.             result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/base.py" in _do_insert
  859.                                using=using, raw=raw)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/manager.py" in manager_method
  122.                 return getattr(self.get_queryset(), name)(*args, **kwargs)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/query.py" in _insert
  1039.         return query.get_compiler(using=using).execute_sql(return_id)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
  1060.                 cursor.execute(sql, params)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/utils.py" in execute
  79.             return super(CursorDebugWrapper, self).execute(sql, params)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/utils.py" in execute
  64.                 return self.cursor.execute(sql, params)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/utils.py" in __exit__
  95.                 six.reraise(dj_exc_type, dj_exc_value, traceback)

File "/app/.heroku/python/lib/python2.7/site-packages/django/db/backends/utils.py" in execute
  64.                 return self.cursor.execute(sql, params)

Exception Type: ProgrammingError at /
Exception Value: permission denied for relation django_session
sshwsfc / xadmin

Live Demo doesn't work #503
