code: def load_iter(self, key, chunksize=None, noexpire=None):
          '''Lookup an item in the cache and return an iterator
          that reads chunksize bytes of data at a time.  The underlying
          file will be closed when all data has been read'''
          return chunk_iterator(self.load_fd(key, noexpire=noexpire),
                                chunksize=chunksizef load_iter(self, key, chunksize=None, noexpire=None):
          '''Lookup an item in the cache and return an iterator
          that reads chunksize bytes of data at a time.  The underlying
          file will be closed when all data has been read'''
          return chunk_iterator(self.load_fd(key, noexpire=noexpire),
                                chunksize=chunksize)
docs: Lookup an item in the cache and return an iterator
          that reads chunksize bytes of data at a time.  The underlying
          file will be closed when all data has been read