root@controller1:~/horizon-plugins/magnum-ui/magnum_ui# tail -f /var/log/apache2/error.log
[Mon May 15 14:30:33.107845 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]     urlpatterns = self._get_default_urlpatterns()
[Mon May 15 14:30:33.107851 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]   File "/usr/share/openstack-dashboard/horizon/base.py", line 120, in _get_default_urlpatterns
[Mon May 15 14:30:33.107858 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]     urls_mod = import_module('.urls', package_string)
[Mon May 15 14:30:33.107861 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]   File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
[Mon May 15 14:30:33.107867 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]     __import__(name)
[Mon May 15 14:30:33.107870 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]   File "/usr/lib/python2.7/dist-packages/magnum_ui/content/cluster_templates/urls.py", line 25, in <module>
[Mon May 15 14:30:33.107876 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]     views.AngularIndexView.as_view(title=title, page_title=page_title),
[Mon May 15 14:30:33.107880 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]   File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 59, in as_view
[Mon May 15 14:30:33.107887 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874]     "attributes of the class." % (cls.__name__, key))
[Mon May 15 14:30:33.107898 2017] [wsgi:error] [pid 5138:tid 139837492377344] [remote 10.10.1.1:42874] TypeError: AngularIndexView() received an invalid keyword 'page_title'. as_view only accepts arguments that are already attributes of the class.