test 3.6 as well

tbarbugli · tbarbugli · commit 1241f53ecb39 · 2019-04-30T14:31:07.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,7 @@
 language: python
-python:
-  - 3.6
 matrix:
   include:
+    - python: 3.6
     - python: 3.7
       dist: xenial
       sudo: true
