six>=1.4.1
cffi!=1.11.3,>=1.8

[:python_version < '3']
enum34
ipaddress

[docs]
sphinx!=1.8.0,>=1.6.5
sphinx_rtd_theme

[docstest]
doc8
pyenchant>=1.6.11
twine>=1.12.0
sphinxcontrib-spelling>=4.0.1

[idna]
idna>=2.1

[pep8test]
flake8
flake8-import-order
pep8-naming

[test]
pytest!=3.9.0,!=3.9.1,!=3.9.2,>=3.6.0
pretend
iso8601
pytz
hypothesis!=3.79.2,>=1.11.4