diff --git a/acs/core.py b/acs/core.py
index c252477..a1df77f 100644
--- a/acs/core.py
+++ b/acs/core.py
@@ -30,8 +30,6 @@ from models import UserAlias, Role, AcsObject, View, Action, Activity, \
     Namespace, AcsPermission, AcsAbacPermission, Policy
 #from signals import attributes_call
 
-from abac.models import *
-
 logger = logging.getLogger('acs')
 
 
@@ -293,7 +291,7 @@ def isAuthorizedRBAC2(who, what, how):
     @namespace is the name of a namespace instance
 
     @no_rule_returned is False by default. The process of building a new
-    rule is ressource consuming. This process can be desactivated with 
+    rule is ressource consuming. This process can be desactivated with
     option no_rule_returned = True
 
     @no_attribute_signal is False by default. Use to not send the signal to