code: def __init__(self):
      self._thread = Thread(target=self._update_loop)
      self.is_alive = True
      self._thread.start()
  
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 1 to create a new SaveLogsPeriodicallySidecar object from inherited base classes: object with example: obj = SaveLogsPeriodicallySidecar()