[tox]
envlist =
  py27, py34, py35, py36, py37, py38

[testenv]
deps = -r {toxinidir}/tools/reqs/test.txt
commands = pytest []

[tox]
envlist =
  py27, py34, py35, py36, py37, py38

[testenv]
usedevelop = True
deps = -r {toxinidir}/tools/reqs/test.txt
commands = pytest []

Use setup.py develop for installation
Use setup.py develop for installation
