Bad example of views.py

views.py

from rest_framework import viewsets

class GameViewSet(viewsets.ReadOnlyModelViewSet):
    """Game viewset."""

    queryset = Game.objects.all()
    serializer_class = GameSerializer

    def get_serializer_class(self):
        """Determine serializer class."""
        if self.request.version == "1.1.0":
            return TeeBallSupportedGameSerializer
        elif self.request.version == "2.0.0":
            return RevampedGameSerializer
        
        return GameSerializer