future
omnijson>=0.1.2
ujson<2.0,>=1.33

[:python_version < "3"]
futures
tornado<5.0,>=4.0

[:python_version >= "3"]
tornado<7.0,>=4.0

[doc]
sphinx<2.0,>=1.2.3
docutils<1.0,>=0.12
sphinx_rtd_theme<1.0,>=0.1.5
numpydoc<1.0,>=0.5
