def requests(self, code=None, **kwargs):
        if code:
            kwargs['service_code'] = code
        data = self.get('requests', **kwargs)
        return data
Called to handle a ForeignKey (we need to treat them slightly
dataset/ETHPy150Open codeforamerica/three/three/core.py/Three.requests--crossover with--dataset/ETHPy150Open dcramer/django-compositepks/django/core/serializers/xml_serializer.py/Serializer.handle_fk_field