--- a/src/pyams_content/features/alert/zmi/container.py	Wed Sep 19 10:49:26 2018 +0200
+++ b/src/pyams_content/features/alert/zmi/container.py	Wed Sep 19 10:54:08 2018 +0200
@@ -19,7 +19,6 @@
 # import interfaces
 from pyams_content.features.alert.interfaces import IAlertTarget, IAlertContainer
 from pyams_content.interfaces import MANAGE_SITE_ROOT_PERMISSION
-from pyams_i18n.interfaces import II18n
 from pyams_skin.interfaces import IPageHeader
 from pyams_skin.layer import IPyAMSLayer
 from pyams_zmi.interfaces.menu import ISiteManagementMenu
@@ -42,7 +41,6 @@
 from pyramid.decorator import reify
 from pyramid.exceptions import NotFound
 from pyramid.view import view_config
-from z3c.table.column import GetAttrColumn
 
 from pyams_content import _