Article-sending message in view

class GamesViewSet(mixins.ListModelMixin, mixins.CreateModelMixin,
                   mixins.RetrieveModelMixin, mixins.UpdateModelMixin,
                   GenericViewSet):
    serializer_class = GameSerializer
    permission_classes = (IsAuthenticated)
    queryset = Game.objects.all()

    def perform_update(self, serializer):
        serializer.save()
        self.notify_players(serializer.data)

    def notify_players(self, data):
        Group(data['name']).send({
            'text': json.dumps(data)
        })