【django】モデルのjson化とレスポンス

from django.core import serializers
from django.http import JsonResponse
from django.views.generic import View
from db.models.user import User

class UserView(View):

    def get(self, request, *args, **kwargs):

        users = User.objects.filter(delete_flag=0)
        users = serializers.serialize('json', users)

        context = {
            'users': users,
        }

        return JsonResponse(context)