class_docstr: A Pdb subclass that may be used
  from a forked multiprocessing child
class_docstr_tok: ["A","Pdb","subclass","that","may","be","used","from","a","forked","multiprocessing","child"]
code: def interaction(self, *args, **kwargs):
      _stdin = sys.stdin
      try:
          with open("/dev/stdin") as file:
              sys.stdin = file
              pythondebugger.Pdb.interaction(self, *args, **kwargs)
      finally:
          sys.stdin = _stdin
  
file_path: FATE/python/fate/arch/protocol/mpc/debug/debug.py
imports: import logging
  import pdb
  import sys
  from fate.arch.protocol.mpc.config import cfg
label_desc: Use image node_id 1 for calling the MultiprocessingPdb obj's underlying member method code with example usage: obj.interaction() without return types