class_docstr: A Pdb subclass that may be used
  from a forked multiprocessing child
code: def interaction(self, *args, **kwargs):
      _stdin = sys.stdin
      try:
          sys.stdin = open("/dev/stdin")  # noqa
          pdb.Pdb.interaction(self, *args, **kwargs)
      finally:
          sys.stdin = _stdin
  
file_path: ReAgent/reagent/core/utils.py
imports: import logging
  import pdb
  import sys
  from collections import defaultdict
  from typing import Dict, List
  import reagent.core.types
  import torch
  from torchrec import EmbeddingBagConfig
label_desc: Use image node_id 1 for calling the ForkedPdb obj's underlying member method code with example usage: obj.interaction() without return types