From ebba1270c4d457b8fab6c78cae40b1006313c628 Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <kupruser@gmail.com>
Date: Wed, 6 Dec 2017 00:35:52 +0200
Subject: [PATCH] travis: manually specify mac os image

Fixes #332

Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 7c541e28a..2a3afd1d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,14 +16,17 @@ cache: pip
 matrix:
   include:
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=2.7.10
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.4.3
   - os: osx
+    osx_image: xcode7.3
     language: ruby
     rvm: 2.4.0
     env: PYTHON_VER=3.5.0