Revert removal of import of Products

This fixes ERP5TypeInformation.getInstanceBaseCategoryList,
which is used by testOOoImport.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29629 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/ERP5Type.py

@@ -24,7 +24,7 @@ import zope.interface
 from Products.ERP5Type.Globals import InitializeClass
 from AccessControl import ClassSecurityInfo, getSecurityManager
 from Acquisition import aq_base, aq_inner, aq_parent
-
+import Products
 from Products.CMFCore.TypesTool import FactoryTypeInformation
 from Products.CMFCore.Expression import Expression
 from Products.CMFCore.exceptions import AccessControl_Unauthorized