Log Message:
py-zmq: updated to 19.0.0

19.0
Cython backend: Build Cython extensions with language level “3str” (requires \ 
Cython 0.29)
Cython backend: You can now cimport zmq
Asyncio: Fix memory leak in Poller
Log: Much improved logging in zmq.log (see Asynchronous Logging via PyZMQ)
Log: add python -m zmq.log entrypoint
Sources generated with Cython 0.29.15