--- a/src/pyams_security/security.py	Wed Apr 11 16:43:52 2018 +0200
+++ b/src/pyams_security/security.py	Thu Apr 12 11:22:21 2018 +0200
@@ -9,7 +9,6 @@
 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
 # FOR A PARTICULAR PURPOSE.
 #
-from pyams_utils.interfaces import PUBLIC_PERMISSION
 
 __docformat__ = 'restructuredtext'
 
@@ -20,6 +19,7 @@
 # import interfaces
 from pyams_security.interfaces import IProtectedObject, IRole, IPrincipalInfo, GrantedRoleEvent, RevokedRoleEvent, \
     IDefaultProtectionPolicy, IRoleProtectedObject, ADMIN_USER_ID
+from pyams_utils.interfaces import PUBLIC_PERMISSION
 from zope.annotation.interfaces import IAnnotations
 
 # import packages