--- a/src/pyams_utils/interfaces/site.py	Wed Nov 20 19:26:23 2019 +0100
+++ b/src/pyams_utils/interfaces/site.py	Fri Nov 22 18:51:37 2019 +0100
@@ -10,17 +10,12 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
+from zope.annotation.interfaces import IAttributeAnnotatable
+from zope.interface import Attribute, Interface
+from zope.interface.interfaces import IObjectEvent
 
 
-# import standard library
-
-# import interfaces
-from zope.annotation.interfaces import IAttributeAnnotatable
-from zope.component.interfaces import IObjectEvent
-
-# import packages
-from zope.interface import Interface, Attribute
+__docformat__ = 'restructuredtext'
 
 
 class ISiteRoot(IAttributeAnnotatable):