code: def main(args):
      """Main function"""
      tracker = Tracker(
          args.host,
          port=args.port,
          port_end=args.port_end,
          silent=args.silent,
      )
      tracker.proc.join()
  
imports: import logging
  import argparse
  from ..rpc.tracker import Tracker
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) without return types