diff --git a/freeradius_utils/auth.py b/freeradius_utils/auth.py
index aafa0a50..fcf55cfa 100644
--- a/freeradius_utils/auth.py
+++ b/freeradius_utils/auth.py
@@ -43,11 +43,6 @@ import radiusd  # Module magique freeradius (radiusd.py is dummy)
 from django.core.wsgi import get_wsgi_application
 from django.db.models import Q
 
-from machines.models import Interface, IpList, Nas, Domain
-from topologie.models import Port, Switch
-from users.models import User
-from preferences.models import OptionalTopologie
-
 proj_path = "/var/www/re2o/"
 # This is so Django knows where to find stuff.
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "re2o.settings")
@@ -59,6 +54,12 @@ os.chdir(proj_path)
 # This is so models get loaded.
 application = get_wsgi_application()
 
+from machines.models import Interface, IpList, Nas, Domain
+from topologie.models import Port, Switch
+from users.models import User
+from preferences.models import OptionalTopologie
+
+
 options, created = OptionalTopologie.objects.get_or_create()
 VLAN_NOK = options.vlan_decision_nok.vlan_id
 VLAN_OK = options.vlan_decision_ok.vlan_id
diff --git a/preferences/aes_field.py b/preferences/aes_field.py
index 1d3ffa54..302aa82b 100644
--- a/preferences/aes_field.py
+++ b/preferences/aes_field.py
@@ -1,3 +1,4 @@
+# coding:utf-8
 # Re2o est un logiciel d'administration développé initiallement au rezometz. Il
 # se veut agnostique au réseau considéré, de manière à être installable en
 # quelques clics.