cython<0.24
pathlib
numpy>=1.7
cymem>=1.30,<1.32
preshed>=1.0.0,<2.0.0
thinc>=6.5.0,<6.6.0
murmurhash>=0.26,<0.27
plac<0.9.3
six
ujson>=1.35
sputnik>=0.9.2,<0.10.0
dill>=0.2,<0.3