use newer distro

Faustasm · Faustasm · commit eea767016c39 · 2020-10-23T11:30:01.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -14,7 +14,7 @@ matrix:
   - python: "nightly"
   include:
     - python: "3.9"
-      dist: xenial
+      dist: focal
 
 dist: bionic
 
