code: def load_lines(self, key, noexpire=None):
          '''Look up up an item in the cache and return a line iterator.
          The underlying file will be closed once all lines have been
          consumed.'''
          return line_iterator(self.load_fd(key, noexpire=noexpire)f load_lines(self, key, noexpire=None):
          '''Look up up an item in the cache and return a line iterator.
          The underlying file will be closed once all lines have been
          consumed.'''
          return line_iterator(self.load_fd(key, noexpire=noexpire))
docs: Look up up an item in the cache and return a line iterator.
          The underlying file will be closed once all lines have been
          consumed.