
[docs]
sphinx-astropy

[gtk3]
pycairo
pygobject

[qt5]
PyQt5
QtPy>=1.1

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

[tk]
aggdraw

[web]
aggdraw
tornado
