Use Trusty for 2.6 (#452)

brian-brazil · web-flow · commit d1d93b12ef92 · 2019-08-13T13:28:00.000+01:00
Travis changed things under the covers, breaking 2.6.

Signed-off-by: Brian Brazil &lt;brian.brazil@robustperception.io&gt;
diff --git a/.travis.yml b/.travis.yml
@@ -9,6 +9,7 @@ matrix:
   include:
     - python: "2.6"
       env: TOXENV=py26
+      dist: trusty
     - python: "2.7"
       env: TOXENV=py27
     - python: "2.7"
