From aac748ebd2339dd2ab050ee1fe5f14dcecf52f1b Mon Sep 17 00:00:00 2001
From: "wu.shiming" <wushiming@yovole.com>
Date: Tue, 17 Nov 2020 16:21:34 +0800
Subject: [PATCH] Dep's should be restricted by tox-constraints

Tox trying to install latest versions for building docs which may
not be supported by stable and lower branches, so should be
restricted by respective version's tox-constraints.txt

Change-Id: I92b67aa48834c00ad175a311744c36542692f292
---
 tox.ini | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index 99969b6925..70b5d53437 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,7 +14,9 @@ passenv = *_proxy *_PROXY
 commands = {posargs}
 
 [testenv:docs]
-deps = -r{toxinidir}/doc/requirements.txt
+deps =
+  -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
+  -r{toxinidir}/doc/requirements.txt
 commands =
   rm -rf doc/build
   docstheme-build-translated.sh