Drop py33 support

Daniel Gallagher · Daniel Gallagher · commit 415a78ad4f63 · 2018-06-08T21:10:37.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,8 +2,6 @@ language: python
 matrix:
   include:
     -  env: TOXENV=py27
-    -  env: TOXENV=py33
-       python: 3.3
     -  env: TOXENV=py34
        python: 3.4
     -  env: TOXENV=py35
