missing import. This should have been part of 28070:

fix ZMI tabs for non folder types. It was not showing history tab



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28074 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Base.py

@@ -47,6 +47,7 @@ from Products.CMFCore.PortalContent import PortalContent
 from Products.CMFCore.Expression import Expression
 from Products.CMFCore.utils import getToolByName, _getViewFor
 from Products.CMFCore.WorkflowCore import ObjectDeleted, ObjectMoved
+from Products.CMFCore.CMFCatalogAware import CMFCatalogAware
 
 from Products.DCWorkflow.Transitions import TRIGGER_WORKFLOW_METHOD, TRIGGER_USER_ACTION