An empty **kwd argument is not equal to 'None', but to '{}'.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2449 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Document/Folder.py

@@ -76,7 +76,7 @@ class FolderMixIn(ExtensionClass.Base):
                                        id=new_id,
                                        ) # **kw) removed due to CMF bug
     new_instance = container[new_id]
-    if kw is not None: new_instance._edit(force_update=1, **kw)
+    if kw != {} : new_instance._edit(force_update=1, **kw)
     if immediate_reindex: new_instance.immediateReindexObject()
     return new_instance