[tox]
envlist = py27,py33,py34,py35,py36

[testenv]
deps = nose
commands = nosetests -P tests

[tox]
envlist = py27,py33,py34,py35,py36,py37

[testenv]
deps = nose
commands = nosetests -P tests

Test also on Python 3.7
Test also on Python 3.7
