make sure user is authenticated before adding to exception META dict

utils/middleware.py

@@ -3,6 +3,6 @@ class GetUserInfoOnException(object):
     
     def process_exception(self, request, exception):
         
-        if request.user:
+        if request.user.is_authenticated():
             request.META['CURRENT_USER'] = "%s: %s" % \
                 (request.user.pk, request.user.get_profile().nickname)