From bf12fb68a2d29c193ba3f309e1ea6fb72e2f8dd3 Mon Sep 17 00:00:00 2001
From: Thomas Zarebczan <tzarebczan@users.noreply.github.com>
Date: Sat, 8 Dec 2018 14:38:35 -0500
Subject: [PATCH] use xcode8.3 for mac build (#1692)

use xcode8.3 for mac build
---
 .travis.yml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 03418fd26..727f95ff7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -86,14 +86,12 @@ jobs:
     - <<: *build
       name: "Mac"
       os: osx
-      osx_image: xcode8
+      osx_image: xcode8.3
       language: generic
       env: OS=mac
       cache: false
       before_install:
-        - brew update
         - brew upgrade python
-        - brew postinstall python
       install:
         - python3 --version
         - pip3 --version