travis: increase Python versions check

jcarpent · jcarpent · commit 0ac7e9916660 · 2019-10-29T15:16:11.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,8 @@ language: python
 python:
   - "2.7"
   - "3.5"
+  - "3.6"
+  - "3.7"
 sudo: required
 compiler:
   - gcc
