numpy
setuptools

[all]
pillow
psutil
python-fcl
jsonschema
networkx
meshio
mapbox-earcut
setuptools
scipy
pycollada
glooey
msgpack
shapely
sympy
lxml
colorlog
chardet
scikit-image
triangle
xxhash
requests
svg.path
rtree
pyglet
xatlas

[easy]
lxml
pillow
chardet
colorlog
xxhash
jsonschema
networkx
requests
setuptools
svg.path
rtree
scipy
pycollada
pyglet
msgpack
shapely
sympy

[test]
ezdxf
pytest
coveralls
pyinstrument
pytest-cov
