ListCreateAPIView in django rest framework with different serializer for the GET and POST

CustomListCreateApi.py

from rest_framework import generics, status
from rest_framework.response import Response

from rack.models import RackItem
from rack.serializers import RackItemSerializer, NewRackItemSerializer


class ListCreateRackItem(generics.ListCreateAPIView):
    model = RackItem

    def get_serializer_class(self):
        if self.request.method == 'POST':
            return NewRackItemSerializer
        return RackItemSerializer

    def get_queryset(self):
        return RackItem.objects.filter(shopper=self.request.user)

    def create(self, request, *args, **kwargs):
        serializer = self.get_serializer(data=request.DATA)

        if not serializer.is_valid():
            return Response(
                serializer.errors, status=status.HTTP_400_BAD_REQUEST)

        item = RackItem.objects.create(
            shopper=request.user,
            item_url=serializer.data['item_url'],
            item_image_url=serializer.data['item_image_url'])

        result = RackItemSerializer(item)
        return Response(result.data, status=status.HTTP_201_CREATED)


class GetUpdateDeleteRackItem(generics.RetrieveUpdateDestroyAPIView):
    model = RackItem
    serializer_class = RackItemSerializer

    def get_queryset(self):
        return RackItem.objects.filter(shopper=self.request.user)

Thank you so much !!!!