attrs<20,>=17.4
conformity>=1.26.1,~=1.26
six

[:python_version < "3.4"]
enum34

[:python_version < "3.5"]
typing~=3.7.4

[:python_version < "3.8"]
typing-extensions~=3.7.4

[docs]

[docs:python_version >= "3.6"]
sphinx~=2.2

[testing]
freezegun
pytest
pytest-cov
pytest-runner
mock
more-itertools~=5.0

[testing:python_version > "3.4"]
mypy~=0.740
