TST: run tests on TravisCI with Python 3.6 instead of 3.5

Ralf Gommers · Ralf Gommers · commit dea552cec05d · 2016-12-28T10:06:57.000+13:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@
 language: python
 sudo: false
 python:
-  - 3.5
+  - 3.6
   - 2.7
 env:
   - SPHINX_SPEC="Sphinx==1.2.3"
