Update Travis to use Ubuntu 18.04

craigthomas · craigthomas · commit 04d5c6f688d8 · 2020-07-03T16:04:04.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+dist: bionic
 language: python
 sudo: false
 python:
