code: def parse_xml_node(self, node):
          '''Parse an xml.dom Node object representing a wait_time condition into
          this object.
  
          '''
          super(WaitTime, self).parse_xml_node(node)
          wait_time_nodes = node.getElementsByTagNameNS(RTS_NS, 'WaitTime')
          if wait_time_nodes.length != 1:
              raise InvalidParticipantNodeError
          self.wait_time = int(wait_time_nodes[0].getAttributeNS(RTS_NS,
                  'waitTime'))
          return self parse_xml_node(self, node):
          '''Parse an xml.dom Node object representing a wait_time condition into
          this object.
  
          '''
          super(WaitTime, self).parse_xml_node(node)
          wait_time_nodes = node.getElementsByTagNameNS(RTS_NS, 'WaitTime')
          if wait_time_nodes.length != 1:
              raise InvalidParticipantNodeError
          self.wait_time = int(wait_time_nodes[0].getAttributeNS(RTS_NS,
                  'waitTime'))
          return self
docs: Parse an xml.dom Node object representing a wait_time condition into
          this object.