--- a/src/pyams_portal/interfaces/__init__.py	Fri Sep 21 18:08:45 2018 +0200
+++ b/src/pyams_portal/interfaces/__init__.py	Fri Sep 21 18:09:11 2018 +0200
@@ -12,23 +12,19 @@
 
 __docformat__ = 'restructuredtext'
 
-
-# import standard library
-
-# import interfaces
 from zope.annotation.interfaces import IAttributeAnnotatable
 from zope.container.constraints import contains
 from zope.container.interfaces import IContainer
 from zope.contentprovider.interfaces import IContentProvider
-from zope.interface import Interface, Attribute
-from zope.location.interfaces import ILocation, IContained
-from zope.schema import List, TextLine, Object, Int, Bool, Choice
+from zope.interface import Attribute, Interface
+from zope.location.interfaces import IContained, ILocation
+from zope.schema import Bool, Choice, Int, List, Object, TextLine
 
 from pyams_portal import _
-# import packages
 from pyams_security.schema import PermissionField
 from pyams_utils.schema import PersistentDict, PersistentList
 
+
 MANAGE_TEMPLATE_PERMISSION = 'pyams_portal.manage_template'
 
 DESIGNER_ROLE = 'pyams.TemplatesManager'