code: def cache_backend(self):
          
          if not hasattr(self, '_cache_backend'):
              if hasattr(django.core.cache, 'caches'):
                  self._cache_backend = django.core.cache.caches[_cache_name]
              else:
                  self._cache_backend = django.core.cache.get_cache(_cache_name)
  
          return self._cache_backend
docs: Get the cache backend
  
          Returns
          ~~~~~~~
          Django cache backend