python-autobahn 0.5.14-1 (arm64 binary) in ubuntu wily

 WebSocket is a protocol which allows web applications to have a two-way
 channel with the server. Twisted is an event-based internet application
 framework for Python. Autobahn allows Twisted applications to act as
 a WebSocket client and as a WebSocket server.
 .
 It also supports WebSocket Application Messaging Protocol (WAMP), an open
 WebSocket-based protocol which provides a support for higher-level messaging
 patterns: Remote Procedure Call and Publish/Subscribe.