Use 3.8 over 3.8-dev for Travis builds

natanlao · natanlao · commit beab3325132d · 2019-12-17T15:15:54.000-08:00
Matplotlib is choking on something that it didn't choke on before.
Maybe this will fix it.
diff --git a/.travis.yml b/.travis.yml
@@ -1,12 +1,12 @@
 language: python
-dist: xenial  # for python3.7+ testing
+dist: bionic
 
 cache: pip
 
 python:
 - 3.6
 - 3.7
-- 3.8-dev
+- 3.8
 
 install:
 # numpy requires some additional dependencies
