class GenericViewSet():     queryset = (         Contact.objects.select_related("tag")         .prefetch_related("employee")         .all()     )     serializer_class = GenericSerializer     http_method_names = ["get"]     filterset_class = GenericFilter     pagination_class = GenericPagination

def list(self, request):

        qs = self.filter_queryset(self.get_queryset())

        data = self.paginate_queryset(qs)

        serializer = self.get_serializer(qs, many=True)

        data = self.get_paginated_response(serializer.data)

        return data

 qs = qs.order_by(Case(

      When(status='active', then=Value(0)),

        default =Value(2)

    )

)

 # Prefetch for subsets of relationships

        queryset = queryset.prefetch_related(

            Prefetch('unaffiliated_attendees', 

                queryset=Attendee.objects.filter(organization__isnull=True))

            )

 class MainSerializer(serializers.ModelSerializer):

 import re

txt = """The rain in 

Spain"""

x = re.search("^The.*spain$", txt, flags=re.S|re.I)

if x:

  print("YES! We have a match!")

else:

  print("No match")