def _parse_configure(self, verbElement):
        """
        Parse options out of a request for setting the node configuration.
        """
        form = data_form.findForm(verbElement, NS_PUBSUB_NODE_CONFIG)
        if form is not None:
            if form.formType in ('submit', 'cancel'):
                self.options = form
            else:
                raise BadRequest(text=form.formType % u"Unexpected form type '%s'")
        else:
            raise BadRequest(text="Missing configuration form")
dataset/ETHPy150Open ralphm/wokkel/wokkel/pubsub.py/PubSubRequest._parse_configure/swapped operands of `%`