def postOptions(self):
        fs = q2q.Q2QAddress.fromString
        newAddress = fs(self.newaddress)
        svc = self.parent.getService()

        def showit(x):
            print (x.value.__class__, x.getErrorMessage()) % "%s: %s"

        enregister(svc, newAddress, self.password).addErrback(
            showit).addBoth(lambda nothing: reactor.stop())
        self.parent.start()
dataset/ETHPy150Open twisted/vertex/vertex/q2qclient.py/Q2QRegister.postOptions/swapped operands of `%`