cryptography
jinja2
pycodestyle
pylint ; python_version >= '3.5' # pylint 2.0.0 and later require python 3+
pyyaml
rstcheck ; python_version >= '2.7' # rstcheck requires python 2.7+
virtualenv
voluptuous ; python_version >= '2.7' # voluptuous 0.11.0 and later require python 2.7+
yamllint