python-websocket 0.53.0-2ubuntu1 (s390x binary) in ubuntu focal

 websocket-client provides a low-level, synchronous API providing WebSocket
 client functionality to Python programs. It conforms to the WebSocket
 specification as standardized by the IETF in RFC 6455.
 .
 WebSocket is a protocol providing full-duplex communication channels over
 TCP, mostly used in Web browsers.
 .
 This package provides the Python 2.7 version.