use the new dumps method

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@1000 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/XMLExportImport.py

@@ -105,7 +105,7 @@ def Base_asXML(object, ident=0):
       elif prop_type in ('object',):
         # We may have very long lines, so we should split
         value = aq_base(value)
-        value = pickle.dumps(value)
+        value = dumps(value)
         msg = MIMEBase('application','octet-stream')
         msg.set_payload(value)
         Encoders.encode_base64(msg)