CKAN Version if known (or site URL)

2.8.0

Please describe the expected behaviour

When attempting to visit /dashboard as a non-logged in user, the user should be sent to the login page.

Please describe the actual behaviour

An internal server error occurs.

  File "/usr/lib/ckan/default/src/ckan/ckan/views/dashboard.py", line 99, in index
    u'id': g.userobj.id,
AttributeError: 'NoneType' object has no attribute 'id'

What steps can be taken to reproduce the issue?

Visit http://demo.ckan.org/dashboard when not logged in