code: def _init_logger():
      logger = logging.getLogger("CrossBarrier")
      formatter = logging.Formatter(
          "%(asctime)s.%(msecs)03d %(filename)s:%(lineno)s %(levelname)s: %(message)s",
          "%H:%M:%S",
      )
      sh = logging.StreamHandler()
      sh.setFormatter(formatter)
      logger.addHandler(sh)
      fh = logging.FileHandler("cross_barrier.log", "w")
      fh.setFormatter(formatter)
      logger.addHandler(fh)
      logger.propagate = False
      logger.setLevel(logging.INFO)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from byteps.torch.compression import Compression
  from byteps.torch.ops import push_pull_async_inplace
  from byteps.torch.ops import poll, synchronize
  from byteps.torch.ops import init, shutdown
  from byteps.torch.ops import size, local_size, rank, local_rank
  import threading
  import logging
  import time
  import math
  import torch
  import byteps.torch
label_desc: Use image node_id 2 for calling a global function with example usage: _init_logger() without return types