[tox]
envlist =
    py35

[testenv]
passenv = *
setenv =
    PYTHONPATH = {toxinidir}
deps=
    pytest
    pytest-cov
    -rrequirements.txt
commands=pytest

[tox]
envlist =
    py35
    py36
    py37

[testenv]
passenv = *
setenv =
    PYTHONPATH = {toxinidir}
deps=
    pytest
    pytest-cov
    -rrequirements.txt
commands=pytest

Test against Python 3.5, 3.6 and 3.7
Test against Python 3.5, 3.6 and 3.7
