code: def get_active(slug=DEFAULT_TERMS_SLUG):
          
  
          active_terms = cache.get('tandc.active_terms_' + slug)
          if active_terms is None:
              try:
                  active_terms = TermsAndConditions.objects.filter(
                      date_active__isnull=False,
                      date_active__lte=timezone.now(),
                      slug=slug).latest('date_active')
                  cache.set('tandc.active_terms_' + slug, active_terms, TERMS_CACHE_SECONDS)
              except TermsAndConditions.DoesNotExist:  # pragma: nocover
                  LOGGER.error("Requested Terms and Conditions that Have Not Been Created.")
                  return None
  
          return active_terms
docs: Finds the latest of a particular terms and conditions