python3-nbxmpp 0.6.5+git20180501-1 (amd64 binary) in ubuntu cosmic

 python-nbxmpp is a Python library that provides a way for Python applications
 to use Jabber/XMPP networks in a non-blocking way. This library is initialy a
 fork of xmpppy one, but using non-blocking sockets.
 .
 This is the Python 3 version of this library.