CI: Force Python version to version 2.7

https://changelog.travis-ci.com/the-default-python-version-for-your-builds-is-now-3-6-97935
open-io · Apr 29, 2019 · 8deb864 · 8deb864
1 parent 8e8b5cd
commit 8deb864
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,7 @@
 sudo: required
 dist: xenial
 language: python
+python: '2.7'
 addons:
   apt:
     sources: