old_contents: from __future__ import absolute_import
  from bitmex_websocket.websocket import BitMEXWebsocket
  from time import sleep
  
  ws = BitMEXWebsocket()
  ws.connect()
  
  while True:
      sleep(1)
  
new_contents: from __future__ import absolute_import
  from bitmex_websocket.websocket import BitMEXWebsocket
  from time import sleep
  import logging
  import websocket
  
  _logger = logging.getLogger('websocket')
  _logger.setLevel(logging.DEBUG)
  websocket.enableTrace(True)
  
  ws = BitMEXWebsocket()
  ws.connect()
  ws.subscribe('instrument')
  
  while True:
      sleep(1)
  
subject: Update example-1 to have logging and subscribe to a channel