# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
# SPDX-License-Identifier: LGPL-2.1+
#
-# Copyright 2013, 2017 Zbigniew Jędrzejewski-Szmek
+# Copyright © 2013, 2017 Zbigniew Jędrzejewski-Szmek
from __future__ import print_function
import collections