TravisCI update

diff --git a/.travis.yml b/.travis.yml
index a18fe766ae2e32f80e51992e38fb233d4fdb36d6..7ad9de545382a256f76b936ab8345b841e60c14d 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,17 +2,22 @@ sudo: false
 language: python
 
 python:
-  - '2.6'
-  - '2.7'
-  - '3.2'
-  - '3.3'
-  - '3.4'
-  - '3.5'
-  - '3.6'
+  - 2.7
+  - 3.4
+  - 3.5
+  - 3.6
+  - 3.7
   - pypy
 
 matrix:
   include:
+  - python: 2.6
+    dist: trusty
+  - python: 3.2
+    dist: trusty
+  - python: 3.3
+    dist: trusty
+
   - python: 3.6
     env:
     - TOXENV=flake8