numpy

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

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

[test]
pyinstrument
coveralls
pytest
pytest-cov
ezdxf
