From 62af2aa91f6e11b290c185644e719c873acb67e8 Mon Sep 17 00:00:00 2001
From: Michael Howitz <mh@gocept.com>
Date: Wed, 25 Oct 2017 13:56:03 +0200
Subject: [PATCH] Install the required `six` version to make TravisCI happy.

---
 .travis.yml  | 1 +
 buildout.cfg | 3 +--
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 38208cc..0df4c20 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ python:
     - 3.6
 install:
     - pip install -U setuptools==33.1.1
+    - pip install -U six==$(curl $(awk '$1 ==  "extends" {print $3}' buildout.cfg) 2>/dev/null | awk '$1 == "six" {print $3}')
     - pip install zc.buildout
     - pip install -U coverage coveralls
     - buildout bootstrap
diff --git a/buildout.cfg b/buildout.cfg
index a499573..9d56a55 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -1,6 +1,5 @@
 [buildout]
-extends =
-    https://raw.githubusercontent.com/zopefoundation/Zope/master/versions.cfg
+extends = https://raw.githubusercontent.com/zopefoundation/Zope/master/versions-prod.cfg
 develop = .
 parts =
     interpreter