[travis] using xenial

cvvergara · cvvergara · commit 95db3e684951 · 2019-03-06T11:01:22.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,13 +5,11 @@
 # Main configuration
 # ------------------------------------------------------------------------------
 
-dist: trusty
-sudo: required
-
+dist: xenial
 
 language: python
 python:
-  - "3.5-dev"  # 3.5 development branch
+  - "3.5"
 
 addons:
   apt:
