numpy>=1.13
qtpy>=1.1
astropy>=3

[docs]
sphinx-astropy
sphinx_rtd_theme

[gtk3]
pycairo
pygobject

[qt5]
PyQt5
QtPy>=1.1

[recommended]
pillow>=3.2.0
scipy>=0.18.1
matplotlib>=1.5.1
opencv-python>=3.4.1
piexif>=1.0.13
beautifulsoup4>=4.3.2
docutils

[test]
attrs>=19.2.0
pytest-astropy

[tk]
aggdraw

[web]
tornado
aggdraw
