make ci use more recent ubuntu

This commit is contained in:
Kevin Froman 2020-04-23 04:39:35 -05:00
parent 6d4e8127f7
commit 0da6c8cbd4

View File

@ -1,4 +1,4 @@
dist: xenial dist: bionic
language: python language: python
python: python:
- 3.7 - 3.7