Identify and add replacement third parties libraries into ``openstack/requirements``.
It exists good candidates replacement for almost all our third parties libraries.
 
Here is curated list:
https://github.com/timofurrer/awesome-asyncio
 
That can help us which package we want to use for depending on our needs.
Once selected these packages should be added, one by one, to
``openstack/requirements``, `by following our usual process:
 
https://docs.openstack.org/project-team-guide/dependency-management.html#for-new-requirements