code: def __enter__(self):
      self._interrupted = False
      self.released = False
      self.original_handler = signal.getsignal(self.sig)
  
      def master_handler(signum, frame):
          self.release()
          self._interrupted = True
          print(f"Received SIGTERM")
  
      def ignoring_handler(signum, frame):
          self.release()
          print("Received SIGTERM, ignoring")
  
      rank = dist.get_rank() if dist.is_initialized() else 0
      if rank == 0:
          signal.signal(self.sig, master_handler)
      else:
          signal.signal(self.sig, ignoring_handler)
      return self
  
imports: import math
  import os
  import numpy
  import torch
  import shutil
  import signal
  import torch.distributed
label_desc: Use image node_id 3 for calling the TimeoutHandler obj's underlying member method code with example usage: obj.__enter__() and returns: self