BusinessTemplate: export to old bt format

product/ERP5/Document/BusinessTemplate.py

@@ -825,6 +825,8 @@ class ObjectTemplateItem(BaseTemplateItem):
         bta.addObject(obj, name=key, ext='.py')
       else:
         try:
+          if obj.__class__.__name__ not in ('Test Component', 'Extension Component', 'Document Component'):
+            raise KeyError("use old format")
           extension, unicode_data, record_id = \
             SEPARATELY_EXPORTED_PROPERTY_DICT[obj.__class__.__name__]
         except KeyError: