#!/usr/bin/env python2 # vim:fileencoding=utf-8 # License: GPL v3 Copyright: 2019, Kovid Goyal from __future__ import absolute_import, division, print_function, unicode_literals from ebook_converter.polyglot.builtins import is_py3 if is_py3: from functools import lru_cache else: from backports.functools_lru_cache import lru_cache lru_cache