def METHOD_NAME(self):
    selection = self.view.get_selection()
    store, iter = selection.get_selected()
    domain = store.get_value(iter, 0)
    try:
        self.wait()
        status, output = getstatusoutput("semanage permissive -d %s_t" % domain)
        self.ready()
        if status != 0:
            self.error(output)
        else:
            domain = store.set_value(iter, 1, "")
            self.itemSelected(selection)
    except ValueError as e:
        self.error(e.args[0])