cryptography<2.2,>=2.1
python-dateutil<2.7,>=2.6

[devel]
sphinx<1.8,>=1.7
freezegun<0.4,>=0.3
pytest<3.5,>=3.4
pytest-cov<2.6,>=2.5
tox<2.10,>=2.9
pexpect<4.6,>=4.5
flake8<3.6,>=3.5
twine

[doc]
sphinx<1.8,>=1.7

[test]
freezegun<0.4,>=0.3
pytest<3.5,>=3.4
pytest-cov<2.6,>=2.5
tox<2.10,>=2.9
pexpect<4.6,>=4.5

[testlint]
flake8<3.6,>=3.5
