challenge not passing related to DjangoModelPermissions

from rest_framework import generics
from rest_framework import mixins
from rest_framework import permissions
from rest_framework import viewsets
from rest_framework.response import Response
from rest_framework.views import APIView

from . import models
from . import serializers


class GameListCreate(generics.ListCreateAPIView):
    queryset = models.Game.objects.all()
    serializer_class = serializers.GameSerializer


class GameScoresList(generics.ListAPIView):
    queryset = models.Score.objects.all()
    serializer_class = serializers.ScoreSerializer

    def get_queryset(self):
        return self.queryset.filter(
            game_id=self.kwargs.get('game_pk')
        )


class PlayerViewSet(viewsets.ModelViewSet):
    queryset = models.Player.objects.all()
    serializer_class = serializers.PlayerSerializer


class GameViewSet(mixins.CreateModelMixin,
                  mixins.ListModelMixin,
                  mixins.RetrieveModelMixin,
                  viewsets.GenericViewSet):
    permissions_classes = (permissions.DjangoModelPermissions, )
    queryset = models.Game.objects.all()
    serializer_class = serializers.GameSerializer


class ScoreViewSet(viewsets.ModelViewSet):
    queryset = models.Score.objects.all()
    serializer_class = serializers.ScoreSerializer