Drop support for 2.6 and 3.3

diff --git a/.travis.yml b/.travis.yml
index 272b9629221f9b5006120eaa0e94f3116343ff50..32c3ec895a53bbcaaa98c2e84596473f33f3acd7 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,9 +4,7 @@ language: python
 cache: pip
 
 python:
-- '2.6'
 - '2.7'
-- '3.3'
 - '3.4'
 - '3.5'
 - '3.6'