From a704863121a9c0e5861b43032b786b899c5e3b84 Mon Sep 17 00:00:00 2001
From: Jonathan Wren <jonathan@nowandwren.com>
Date: Fri, 29 Nov 2019 11:38:14 -0800
Subject: [PATCH] [#757] add explicit os at root per travis config linter

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index ececef6e..c65ac960 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,5 @@
 dist: xenial   # required for Python >= 3.7
+os: linux
 language: python
 jobs:
   include: