travis: use python 3.5

unixwitch · unixwitch · commit ae3357d1253a · 2017-10-12T10:25:59.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,6 @@
 language: python
+python:
+- 3.5
 sudo: required
 services:
 - docker
