@classmethod
    def many_init(cls, *args, **kwargs):
        kwargs['context']['many'] = True
        return super(ContributionSerializer, cls).many_init(*args, **kwargs)
Is called when many=True property is set when instantiating the
dataset/ETHPy150Open ExCiteS/geokey/geokey/contributions/serializers.py/ContributionSerializer.many_init