@internationalizeDocstring
        def hostmask(self, irc, msg, args, nick):
            if not nick:
                nick = msg.nick
            irc.reply(irc.state.nickToHostmask(nick))
Check that all parameters are scalar values.
dataset/ETHPy150Open ProgVal/Limnoria/plugins/User/plugin.py/User.hostmask.hostmask--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/conf.py/_Scalar.Validate