xpath = '//node/sliver_type | //default:node/default:sliver_type'
node_elems = xml.xpath(xpath)
return PGv2Node.get_node_objs(node_elems)
xpath = '//node/sliver_type | //default:node/default:sliver_type'
node_elems = xml.xpath(xpath)
return PGv2Node.get_node_objs(node_elems)