From 6ba1c82858473ac446e6faecb04a9f3b0f998e7f Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Tue, 24 Jul 2018 08:07:36 +0200
Subject: tests: Add python 3.7 to Travis CI (#8778)

* Test Spack on Python 3.7 as part of Travis CI
* Currently using xenial to pull-in python 3.7
    * As xenial is not officially supported yet, Travis tolerates failures on it.
---
 .travis.yml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 73cf39adea..73b258e540 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,13 @@ branches:
 #=============================================================================
 # Build matrix
 #=============================================================================
+
+# Adding the keyword dist to permit an `allow_failures` section
+# under `matrix.include`. More information here:
+#
+# https://docs.travis-ci.com/user/customizing-the-build/#Rows-that-are-Allowed-to-Fail
+dist: trusty
+
 jobs:
   fast_finish: true
   include:
@@ -44,6 +51,12 @@ jobs:
       os: linux
       language: python
       env: [ TEST_SUITE=unit, COVERAGE=true ]
+    - python: '3.7'
+      os: linux
+      dist: xenial
+      sudo: true
+      language: python
+      env: [ TEST_SUITE=unit, COVERAGE=true ]
     - python: '3.6'
       os: linux
       language: python
@@ -93,6 +106,8 @@ jobs:
       os: linux
       language: python
       env: [ TEST_SUITE=build, COVERAGE=true, 'SPEC=mpich' ]
+  allow_failures:
+    - dist: xenial
 
 stages:
   - 'style checks'
-- 
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