ocrd >= 2.13.1
keras == 2.3.*
# for tensorflow-gpu==1.15 nv (py37+py38), we need < 1.24, >= 1.22 
# for tensorflow-gpu==1.15 from PyPI (py36+py37), we need < 1.19
# (but 3.7 is gone now, so hold at 1.23)
numpy < 1.24 # numpy 1.24 incompatible with h5py 2.x
tensorflow-gpu == 1.15.*
# needed after https://protobuf.dev/news/2022-05-06/#python-updates
protobuf < 4.21
h5py ~= 2.10
networkx >= 2.0
