code: def get_object(self):
          
          if hasattr(self, "organization_user"):
              return self.organization_user
          organization_pk = self.kwargs.get("organization_pk", None)
          user_pk = self.kwargs.get("user_pk", None)
          self.organization_user = get_object_or_404(
              self.get_user_model().objects.select_related(),
              user__pk=user_pk,
              organization__pk=organization_pk,
          )
          return self.organization_user
docs: Returns the OrganizationUser object based on the primary keys for both
          the organization and the organization user.