From 490990c8cb76644d2bd31bbe9f199e423b6069f8 Mon Sep 17 00:00:00 2001
From: "Matthijs S. Berends" <m.s.berends@umcg.nl>
Date: Tue, 10 Jul 2018 16:31:13 +0200
Subject: [PATCH] no errors on 3.1 and 3.2

---
 .travis.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index e2d49f1f..8d64eacb 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,10 +6,12 @@ jobs:
     os:
     - linux
     - osx
+    warnings_are_errors: false
   - r: 3.2
     os:
     - linux
     - osx
+    warnings_are_errors: false
   - r: 3.3
     os:
     - linux