travis: test on python 3.7

diff --git a/.travis.yml b/.travis.yml
index 85bba6caf36ad791c46ddbde85bacbf80899f173..81c87aaf03f46d6b064f9aee28ffb0872e714373 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,4 +6,11 @@ python:
   - "3.5"
   - "3.6"
 
+# This is required to test on Python 3.7 at the moment.
+matrix:
+  include:
+    - python: 3.7
+      dist: xenial
+      sudo: true
+
 script: PYTHONPATH=. pytest