run tests against 3.7 as well

fabianhoward · fabianhoward · commit 77c86873c3b0 · 2018-11-27T16:17:35.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ dist: precise
 
 python:
   - "3.6"
+  - "3.7"
 
 before_install:
   - export TZ=Europe/Brussels
