-r base.txt
-r crypto.txt

pyzmq<=20.0.0 ; python_version < "3.6"
pyzmq>=17.0.0 ; python_version < "3.9"
pyzmq>19.0.2 ; python_version >= "3.9"

# We can't use 23+ on Windows until they fix this:
# https://github.com/zeromq/pyzmq/issues/1472
pyzmq>=20.0.0, <=22.0.3 ; python_version < "3.9" and sys_platform == 'win32'
