[tox] envlist = py35,py36,py37,tornado,tornado50 indexserver = default = https://pypi.python.org/simple toxworkdir = build/tox skip_missing_interpreters = True use_develop = True [testenv] commands = nosetests -v deps = -rrequires/testing.txt [testenv:tornado] commands = {envbindir}/pip install tornado {[testenv]commands} [testenv:tornado50] commands = {envbindir}/pip install tornado=5.0 {[testenv]commands}