Use Ubuntu Xenial in Travis in order to run Python 3.7.

plusvic · plusvic · commit e86a20071ea8 · 2019-05-02T11:25:12.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 
+dist: xenial   # required for Python >= 3.7
 python:
   - "2.6"
   - "2.7"

-Original file line number
+Diff line change
@@ @@ -1,5 +1,6 @@ @@
 language: python
 +dist: xenial   # required for Python >= 3.7
 python:
   - "2.6"
   - "2.7"