class_docstr: An error happened within each worker.
class_docstr_tok: ["An","error","happened","within","each","worker","."]
docstr: Construct and return a special error message.
docstr_tok: ["Construct","and","return","a","special","error","message","."]
code: def __str__(self):
      """Construct and return a special error message."""
      return f"worker[{self._worker_id}] failed with exitcode={self._exitcode}"
  
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 2 for calling the WorkerError obj's underlying member method code with example usage: obj.__str__() and returns: str, self, str, self