Update UPPER_CONSTRAINTS_FILE for stable/stein

Update the URL to the upper-constraints file to point to the redirect
rule on releases.openstack.org so that anyone working on this branch
will switch to the correct upper-constraints list automatically when
the requirements repository branches.

Until the requirements repository has as stable/stein branch, tests will
continue to use the upper-constraints list on master.

Change-Id: Ia87a4eefd721e0547a1d4d807f8499ce34897e0a

1 files changed, 1 insertions, 1 deletions

diff --git a/tox.ini b/tox.ini
index 856240e..c70ad2d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,7 +7,7 @@ setenv =
     VIRTUAL_ENV={envdir}
 install_command = pip install {opts} {packages}
 deps =
-    -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
+    -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/stein}
     -r{toxinidir}/test-requirements.txt
 commands = stestr run --slowest {posargs}