Return serialized queryset or single object as python dictionary
        serialize() only works on iterables, so to serialize a single object we put it in a list

def serialize_queryset(self, queryset):
        """
        Return serialized queryset or single object as python dictionary
        serialize() only works on iterables, so to serialize a single object we put it in a list
        """
        object_data = []
        is_queryset = False
        query_fields = self.get_fields()
        try:
            iter(queryset)
            is_queryset = True
            raw_data = serializers.serialize(self.serializer_name, queryset, fields=query_fields,
                                             use_natural_keys=self.serialize_natural_keys)
        except TypeError:  # Not iterable
            raw_data = serializers.serialize(self.serializer_name, [queryset, ], fields=query_fields,
                                             use_natural_keys=self.serialize_natural_keys)

        for obj in raw_data:  # Add pk to fields
            obj['fields']['pk'] = obj['pk']
            object_data.append(obj['fields'])

        if is_queryset:
            return object_data
        return object_data[0]