numpy>=1.7.1
matplotlib>=3.0
mpl_colors

[all]
h5py>=2.0
imageio>=2.3
imageio[fits]>=2.3
imageio[itk]>=2.3

[fits]
imageio[fits]>=2.3

[hdf5]
h5py>=2.0

[img]
imageio>=2.3

[itk]
imageio[itk]>=2.3
