对象在Django Rest框架中没有属性

from rest_framework import serializers

class MyObjectSerializer(serializers.Serializer):
    attribute1 = serializers.CharField()
    attribute2 = serializers.IntegerField()

    class Meta:
        fields = ('attribute1', 'attribute2')

from rest_framework.response import Response
from rest_framework.views import APIView

class MyObjectView(APIView):
    def get(self, request):
        my_object = MyObject(attribute1='value1', attribute2=123)
        serializer = MyObjectSerializer(data=my_object)
        if serializer.is_valid():
            serialized_data = serializer.data
            return Response(serialized_data)
        else:
            return Response(serializer.errors)