code: def help_content(self):
          
          help_message = m.Message()
          help_message.add(m.Text(tr('No help text for this wizard step, yet.')))
          return help_message
docs: Return the content of help for this step wizard.
  
              We only needs to re-implement this method in each wizard step.
  
          :returns: A message object contains help.
          :rtype: m.Message