That's the "node-name", i.e. the fully qualified name of the tag in its namespace. You probably wanted to ask for the local-name, which in your example would ju

That's the "node-name", i.e. the fully qualified name of the tag in its namespace. You probably wanted to ask for the local-name, which in your example would just be "index". Not sure how to with LXML, but it's a common mistake people make when dealing with XML.