restore travis config back to ruby 2.3, which aliases to 2.3.4

This commit is contained in:
Heng Xiong 2017-07-12 16:13:10 -07:00
parent 822435f616
commit 374b342ea9
1 changed files with 1 additions and 1 deletions

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@ -2,7 +2,7 @@ sudo: false
language: ruby
rvm:
- 2.4
- 2.3.3
- 2.3
- 2.2
- 2.0.0
- 2.1