dev-requirements

# requirements to run development steps

# also change in tox.ini
flake8>=3.7.8
flake8-polyfill
pylint>=1.8.4
tox>=3.0.0
tox-pyenv
importlib-metadata>=0.12

# Below only run with python3, installed in tox.ini
# mypy
# coala
# coala-bears