remove v1 tag using SOAPPy

[Jennifer]

I just wonder if there is anyway to remove v1 tag by using SOAPPy.

ticketInfo = SOAPpy.structType()
ticketInfo._addItem("ns1:mytag", stringType("test"))


<xsd:v1>
<ns1:mytag>test</ns1:mytag>
<xsd:v1>


How can I get rid of <xsd:v1>?

Many Thanks.
- Jennifer