def requestAvatar(self, avatarId, mind, *interfaces):
        if pop3.IMailbox not in interfaces:
            raise NotImplementedError("No interface")
        if avatarId == checkers.ANONYMOUS:
            mbox = StringListMailbox([INTERNAL_ERROR])
        else:
            mbox = KVMailbox('/'+avatarId)

        return (
            pop3.IMailbox,
            mbox,
            lambda: None
        )
dataset/ETHPy150Open tkanerva/openmail/OpenMail/openmail/kvdomain.py/KVDomain.requestAvatar/original