do not use _getOb, because some ERP5Documents are not instances of ObjectManager

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8801 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFCategory/CategoryTool.py

@@ -879,7 +879,9 @@ class CategoryTool( UniqueObject, Folder, Base ):
           return result
         # First we look at local ids
         for object_id in base_category_value.getAcquisitionObjectIdList():
-          my_acquisition_object = context._getOb(object_id, None)
+          my_acquisition_object = None
+          if my_acquisition_object in context.objectIds():
+            my_acquisition_object = getattr(context, object_id)
           if my_acquisition_object is not None:
             #my_acquisition_object_path = my_acquisition_object.getPhysicalPath()
             #if my_acquisition_object_path in acquired_object_dict: