.travis.yml: use python 3

puuu · puuu · commit 1d466b4cd477 · 2019-09-04T12:14:54.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.7"
 
 # Cache PlatformIO packages using Travis CI container-based infrastructure
 sudo: false
