ipywidgets>=7.2.1
ipydatawidgets>=1.1.1
numpy
traitlets

[docs]
sphinx>=1.5
nbsphinx>=0.2.13
nbsphinx-link
sphinx-rtd-theme

[examples]
scipy
matplotlib
scikit-image
ipywebrtc

[test]
nbval
pytest-check-links
numpy>=1.14
