SQLAlchemy (~= 1.2)
bonobo (~= 0.6.0a4)

[dev]
bonobo (~= 0.6.0a4)
coverage (>= 4.4, < 5.0)
pytest (>= 3.1, < 4.0)
pytest-cov (>= 2.5, < 3.0)
yapf
