[tox]
envlist = py27, py26, py25
[testenv]
deps =
    nose
    twill
changedir = {toxinidir}/test/unittests
commands=nosetests
[tox]
envlist = py27, py26, py25

[testenv]
deps =
    nose
    twill
changedir = {toxinidir}/test/unittests
commands =
    nosetests

[testenv:py26]
deps =
    {[testenv]deps}
    unittest2

Install unittest2 for Python 2.6
Install unittest2 for Python 2.6
