blessings (>= 1.6, < 1.7)
edgy.event (>= 0.1, < 0.2)
jinja2 (>= 2.8, < 3.0)
pip-tools (>= 1.9, < 2.0)
six (>= 1, < 2)
stevedore (>= 1, < 2)
tornado (>= 4, < 5)
yapf (>= 0.16)

[dev]
coverage (>= 4.4, < 5.0)
pytest (>= 3.1, < 4.0)
pytest-cov (>= 2.5, < 3.0)
sphinx (>= 1.6, < 2.0)
sphinx_rtd_theme (>= 0.2, < 1.0)
