
[:python_version < "3.2"]
futures>=3.0.5

[:python_version < "3.4"]
enum34>=1.1.6

[:python_version <= "3.4"]
arrow<0.13.1,>=0.8.0

[:python_version > "3.4"]
arrow>=0.8.0

[doc]
sadisplay
sphinx
sphinx_rtd_theme
sphinxcontrib-plantuml
