added missing import of CopyError

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3033 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/CopySupport.py

@@ -16,6 +16,7 @@ from OFS import Moniker
 from AccessControl import ClassSecurityInfo
 from OFS.ObjectManager import ObjectManager
 from OFS.CopySupport import CopyContainer as OriginalCopyContainer
+from OFS.CopySupport import CopyError
 from OFS.CopySupport import _cb_encode, _cb_decode, cookie_path, absattr
 from Products.ERP5Type import Permissions
 from Products.CMFCore.CMFCatalogAware import CMFCatalogAware