code: def raw_get(self, *raw_args, **raw_kwargs):
          
  
          args = self.prepare_args(*raw_args)
          kwargs = self.prepare_kwargs(**raw_kwargs)
  
          key = self.key(*args, **kwargs)
  
          return self.cache.get(key)
docs: Retrieve the item (tuple of value and expiry) that is actually in the cache,
          without causing a refresh.