numpy>=0.18
pandas>=1.0
xarray>=0.15
scipy!=1.6.0,!=1.6.1,>=1.4
sympy>=1.6
pint>=0.11
asdf>=2.7
bottleneck>=1.3
boltons
networkx>=2
matplotlib>=3
fs
ipywidgets
k3d
meshio

[test]
pytest
pytest-cov
pytest-xdist
nbval
