code: def get_worker(cls):
      return cls
  
file_path: metaflow/metaflow/mflog/save_logs_periodically.py
imports: import os
  import sys
  import time
  import subprocess
  from threading import Thread
  from metaflow.sidecar import MessageTypes
  from .None import update_delay, BASH_SAVE_LOGS_ARGS
label_desc: Use image node_id 3 for calling the SaveLogsPeriodicallySidecar obj's underlying member method code with example usage: obj.get_worker(cls) and returns: cls