tox>=3.12

[:python_version < "3.5"]
typing

[testing]
flake8<4,>=3
pytest<6,>=4.0.0
pytest-cov<3,>=2
pytest-mock<3,>=2

[testing:platform_python_implementation == "CPython" and python_version >= "3.6"]
black

[testing:python_version >= "3.5"]
pytest-randomly>=3
