class_docstr: An error happened from main process.
class_docstr_tok: ["An","error","happened","from","main","process","."]
docstr: Initialize error class.
docstr_tok: ["Initialize","error","class","."]
code: def __init__(self, *, signal_no):
      """Initialize error class."""
      msg = (
          f"{_signalno_name_map[signal_no]} received, "
          f"exiting due to {signal.strsignal(signal_no)}."
      )
      super(MainProcessError, self).__init__(msg)
      self._signal_no = signal_no
      self._msg = msg
  
file_path: espnet/espnet/distributed/pytorch_backend/launch.py
imports: import multiprocessing
  import os
  import signal
  import socket
  import time
label_desc: Use image node_id 1 to create a new MainProcessError object from inherited base classes: multiprocessing with example: obj = MainProcessError()