docs: def get_queryset(self):
          """
          Returns a queryset of all bodies holding an election on a date.
          """
          try:
              date = ElectionDay.objects.get(date=self.kwargs['date'])
          except Exception:
              raise APIException(
                  'No elections on {}.'.format(self.kwargs['date'])
              )
          body_ids = []
          for election in date.elections.all():
              body = election.race.office.body
              if body:
                  body_ids.append(body.uid)
          return Body.objects.filter(uid__in=body_ids)