Fix date/time fuctions for timezone information

app/sso/middleware.py

@@ -1,5 +1,6 @@
 from django.db import IntegrityError
 from django.contrib.auth import logout
+from django.utils.timezone import utc, now
 
 class InactiveLogoutMiddleware(object):
     """
@@ -59,7 +60,5 @@ class IPTrackingMiddleware(object):
 
         if request.user and not request.user.is_anonymous():
             ip, created = SSOUserIPAddress.objects.get_or_create(user=request.user, ip_address=request.META['REMOTE_ADDR'])
-            if created:
-                ip.first_seen = datetime.utcnow()
-            ip.last_seen = datetime.utcnow()
+            ip.last_seen = now()
             ip.save()