From 5894033692a9936c4af73de3265060cf12d7dd22 Mon Sep 17 00:00:00 2001
From: Jon Parise <jon@pinterest.com>
Date: Wed, 31 Oct 2018 10:53:18 -0700
Subject: [PATCH 1/2] Build on Python 3.7 and cache pip artifacts

This uses the well-established workaround to get Python 3.7 working on
Travis.
---
 .travis.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 0c88e894..9a2acf70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,12 @@ python:
   - "3.4"
   - "3.5"
   - "3.6"
-  # - "3.7"  # TODO: Re-enable after https://github.com/travis-ci/travis-ci/issues/9815 is fixed
-sudo: false
+matrix:
+  include:
+    - python: 3.7
+      dist: xenial
+      sudo: true
+cache: pip
 install:
   - pip install tox-travis
 script:

From 166a73b0dd957321acab8d4790d2e8340c2e3702 Mon Sep 17 00:00:00 2001
From: Jon Parise <jon@pinterest.com>
Date: Wed, 31 Oct 2018 11:03:42 -0700
Subject: [PATCH 2/2] Only build on the master branch

PR branches will still be built and tested.
---
 .travis.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 9a2acf70..5366860b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,6 @@
+branches:
+  only:
+    - "master"
 language: python
 python:
   - "2.7"