[tox]
envlist = py27, py35

[testenv]
deps = pytest
commands = py.test
passenv = SPARK_ACCESS_TOKEN

[tox]
envlist = py27, py35, py36

[testenv]
deps = pytest
commands = py.test
passenv = SPARK_ACCESS_TOKEN

Add testing for Python v3.6
Add testing for Python v3.6

Add py36 to tox testing configuration.
