Align with tox.ini python versions
@@ -8,10 +8,6 @@ matrix:
include:
- python: 2.7
env: TOXENV=py27
- - python: 3.3
- env: TOXENV=py33
- - python: 3.4
- env: TOXENV=py34
- python: 3.5
env: TOXENV=py35
- python: 3.6
