BusinessTemplate: py3 WIP 🚧

product/ERP5/Document/BusinessTemplate.py

@@ -723,7 +723,7 @@ class ObjectTemplateItem(BaseTemplateItem):
   def __init__(self, id_list, tool_id=None, **kw):
     BaseTemplateItem.__init__(self, id_list, tool_id=tool_id, **kw)
     if tool_id is not None:
-      id_list = self._archive.keys()
+      id_list = ensure_list(self._archive.keys())
       self._archive.clear()
       for id in id_list :
         if id != '':