code: def __init__(self, paths: List[Tuple[str, str]]):
      self.pods: Set[Tuple[str, str]] = set()
      self.paths = paths
      self.should_sync_event = asyncio.Event()
      self.update_loop_coro = asyncio.ensure_future(self.update_loop())
  
imports: import argparse
  import asyncio
  import concurrent.futures
  import logging
  import os
  import re
  import signal
  import sys
  from contextlib import closing
  from threading import Thread
  from typing import List, Set, Tuple
  import kubernetes_asyncio.client
  import kubernetes_asyncio.config
  from fswatch import Monitor, libfswatch
  from hailtop.aiotools import BackgroundTaskManager
  from hailtop.hail_logging import configure_logging
  from hailtop.utils import CalledProcessError, check_shell, retry_transient_errors
label_desc: Use image node_id 1 to create a new Sync object  with example: obj = Sync(paths)