From a9347cb369137b94641a5cfa3fbdac46c617c5a0 Mon Sep 17 00:00:00 2001
From: Nguyen Hung Phuong <phuongnh@vn.fujitsu.com>
Date: Tue, 17 Jul 2018 14:56:01 +0700
Subject: [PATCH] Fix html_last_updated_fmt for Python 3

The previous version returned a byte string, which caused errors on
Python 3. I borrowed the fix from [1].

Change-Id: If89a3808271756925708e5f48f4a9726b5e25aec
1: https://git.openstack.org/cgit/openstack/cinder/commit/?id=9dc4c8704eef2e48fbae992db094be7ac91f8c6c
---
 doc/source/conf.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/doc/source/conf.py b/doc/source/conf.py
index 93b0331e..2a3d2dd2 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -133,8 +133,7 @@ html_theme = 'nature'
 # using the given strftime format.
 git_cmd = ["git", "log", "--pretty=format:'%ad, commit %h'", "--date=local",
            "-n1"]
-html_last_updated_fmt = subprocess.Popen(
-    git_cmd, stdout=subprocess.PIPE).communicate()[0]
+html_last_updated_fmt = subprocess.check_output(git_cmd).decode('utf-8')
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.