def tokensetter(self, f):
        self._tokensetter = f
        return f
Add a success callback that will be run in the context of an eliot
dataset/ETHPy150Open codalab/codalab-cli/codalab/server/oauth2_provider.py/OAuth2Provider.tokensetter--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/twisted.py/DeferredContext.addCallback