code: def display_address(self):
      return "OFFLINE"
  
imports: import logging
  from io import StringIO
  from neptune.common.utils import NoopObject
  from neptune.legacy.backend import BackendApiClient, LeaderboardApiClient
label_desc: Use image node_id 2 for calling the OfflineLeaderboardApiClient obj's underlying member method code with example usage: obj.display_address() and returns: str