requirements/zeromq.txt
-r base.txt
# PyCrypto has issues on Windows, while pycryptodomex does not
pycrypto>=2.6.1; sys.platform != 'win32'
pycryptodomex; sys.platform == 'win32'
pyzmq>=2.2.0,<17.1.0; python_version == '3.4' # pyzmq 17.1.0 stopped building wheels for python3.4
pyzmq>=2.2.0; python_version != '3.4'