python3-autobahn binary package in Ubuntu Focal arm64

 Autobahn|Python is a networking library that is part of the Autobahn project
 and provides implementations of:
  * The WebSocket Protocol
  * The Web Application Messaging Protocol (WAMP)
 for Twisted and asyncio, on Python 2 & 3 and for writing servers and clients.
 .
 WebSocket allows bidirectional real-time messaging on the Web and WAMP adds
 asynchronous Remote Procedure Calls and Publish & Subscribe on top of
 WebSocket.
 .
 This package contains the Python 3.x module.

Source package