def returnNr(self, nr):
        if nr in self._nrs:
            raise InternalError('Number was never rented out.')

        self._nrs.add(nr)
Return the URL that the user needs to be redirected to in order to
dataset/ETHPy150Open rapyuta/rce/rce-core/rce/container.py/ContainerClient.returnNr--crossover with--dataset/ETHPy150Open orcasgit/python-healthvault/healthvaultlib/healthvault.py/HealthVaultConn.authorization_url