try mac os test

AtsushiSakai · AtsushiSakai · commit d9136020047e · 2018-11-04T10:37:00.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ language: python
 matrix:
   include:
     - os: linux
-    #- os: osx
+    - os: osx
 
 python:
   - 3.6
