enable docker for TravisCI

mr-c · mr-c · commit 8edb4440dc77 · 2017-06-24T09:44:05.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,5 +1,7 @@
 sudo: false
 language: python
+services:
+  - docker
 python:
   - 2.7
     #  - 3.4
