From a871726834ade83c78b07ae0bc1eb48ddf8572e4 Mon Sep 17 00:00:00 2001
From: pengyuesheng <pengyuesheng@gohighsec.com>
Date: Wed, 9 Oct 2019 16:15:11 +0800
Subject: [PATCH] Blacklist sphinx 2.1.0 (autodoc bug)

See https://github.com/sphinx-doc/sphinx/issues/6440 for upstream details

Change-Id: Ic5149826f443a29801237a250804660a3bb337b8
---
 doc/requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/requirements.txt b/doc/requirements.txt
index e009c0dfe..a7dd2358f 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -4,5 +4,5 @@
 
 openstackdocstheme>=1.18.1 # Apache-2.0
 sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
-sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4' # BSD
+sphinx!=1.6.6,!=1.6.7,!=2.1.0,>=1.6.2;python_version>='3.4' # BSD
 reno>=2.5.0 # Apache-2.0