From 14ce749c65f2e1d1350429d94b14312a36d82154 Mon Sep 17 00:00:00 2001
From: Doug Hellmann <doug@doughellmann.com>
Date: Fri, 13 Apr 2018 15:59:05 -0400
Subject: [PATCH] set default python to python3

Set the default python to python3 except for the py27 environment. We
have to set that explicitly to override the new default.

Change-Id: Ib98c64b490cf621ffd1ce96cb403a1b94a9246ad
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
---
 tox.ini | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tox.ini b/tox.ini
index e82eb11..44fa5a9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,7 @@ minversion = 2.0
 envlist = py35,py27,pep8
 
 [testenv]
+basepython = python3
 install_command = pip install {opts} {packages}
 deps =
        -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt}
@@ -11,6 +12,9 @@ deps =
 commands =
   python setup.py testr --slowest --testr-args='{posargs}'
 
+[testenv:py27]
+basepython = python2.7
+
 [testenv:docs]
 commands = python setup.py build_sphinx
 
@@ -30,7 +34,6 @@ ignore = E721
 exclude=.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg
 
 [testenv:lower-constraints]
-basepython = python3
 deps =
   -c{toxinidir}/lower-constraints.txt
   -r{toxinidir}/test-requirements.txt