Updated travis environment

Following example at https://stackoverflow.com/questions/55521832/update-sqlite-in-travis-ci
2019-04-14 08:34:37 +10:00 · 2019-04-14 08:34:37 +10:00 · d0bc35f670
parent 7cc4af1da4
commit d0bc35f670
1 changed files with 7 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,6 +1,13 @@
+dist: xenial
+
 language: python
 python:
    - 3.5
+    - 3.6
+
+addons:
+    apt-packages:
+        -sqlite3

 before_install:
    - make setup