code: def __init__(self, func):
      self.func = func
  
file_path: BigDL/python/nano/src/bigdl/nano/utils/common/subprocess.py
imports: import os
  from multiprocessing import Process
  import multiprocessing
  from bigdl.nano.utils.common import invalidInputError
label_desc: Use image node_id 1 to create a new _append_return_to_pipe object from inherited base classes: object with example: obj = _append_return_to_pipe(func)