Lock to ubuntu's trusty for travis

jamesls · jamesls · commit 69b698266555 · 2020-02-24T12:37:58.000-05:00
Looking to drop 26/33 soon but for now we just need to get
travis back up and running.
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,4 @@
+dist: trusty
 language: python
 python:
   - "2.6"
