cython < 0.24
pathlib
numpy
cymem>=1.30,<1.32
preshed>=0.46.1,<0.47.0
thinc>=5.0.0,<5.1.0
murmurhash>=0.26,<0.27
plac
six
ujson
cloudpickle
sputnik>=0.9.2,<0.10.0