code: def create_stream(self, unique_id=0, listener=None, timeout=11, buffer_size=1024, description='BetfairSocket',
                        host=None):
          
          listener = listener if listener else BaseListener()
          return BetfairStream(
              unique_id,
              listener,
              app_key=self.client.app_key,
              session_token=self.client.session_token,
              timeout=timeout,
              buffer_size=buffer_size,
              description=description,
              host=host,
          )
docs: Creates BetfairStream.
  
          :param dict unique_id: Id used to start unique id's of the stream (+1 before every request)
          :param resources.Listener listener:  Listener class to use
          :param float timeout: Socket timeout
          :param int buffer_size: Socket buffer size
          :param str description: Betfair stream description
          :param str host: Host endpoint (prod (default) or integration)
  
          :rtype: BetfairStream