[tox] envlist = py27,py37,py39,py310,pypy3 [testenv] changedir = .tox deps = -rrequirements-test.txt commands = py.test --doctest-modules {envsitepackagesdir}/boltons {toxinidir}/tests {posargs} [testenv:py27] deps = coverage==5.5 pytest==4.6.11 pytest-cov==2.12