Require Ubuntu Precise

jakirkham · jakirkham · commit 3b9374594710 · 2018-02-26T20:40:06.000-05:00
Travis CI has made the default Ubuntu Trusty and will soon eliminate
Ubuntu Precise. For now, require Ubuntu Precise. At some point this will
need to be rewritten to use Ubuntu Trusty or will need a Docker
container that can mimic the original system for testing.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,6 @@
+os: linux
+dist: precise
+
 language: python
 python:
   - 2.6
