Index: views.py
===================================================================
--- views.py	(revision 5155)
+++ views.py	(working copy)
@@ -25,11 +25,15 @@
             return HttpResponseRedirect(redirect_to)
     else:
         errors = {}
+    if Site._meta.installed:
+        site_name = Site.objects.get_current().name
+    else:
+        site_name = 'my site'
     request.session.set_test_cookie()
     return render_to_response(template_name, {
         'form': oldforms.FormWrapper(manipulator, request.POST, errors),
         REDIRECT_FIELD_NAME: redirect_to,
-        'site_name': Site.objects.get_current().name,
+        'site_name': site_name
     }, context_instance=RequestContext(request))
 
 def logout(request, next_page=None, template_name='registration/logged_out.html'):