[Travis] add Build Config Validations

https://blog.travis-ci.com/2019-10-24-build-config-validation
jrnl-org · Apr 7, 2020 · 0575def · 0575def
1 parent fbd5f09
commit 0575def
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+version: ~> 1.0
 dist: xenial   # required for Python >= 3.7
 os: linux
 language: python