code: def __init__(self, process_obj):
      util._flush_std_streams()
      self.returncode = None
      self.finalizer = None
      self._launch(process_obj)
  
file_path: cpython/Lib/multiprocessing/popen_fork.py
imports: import os
  import signal
  from .None import util
label_desc: Use image node_id 1 to create a new Popen object from inherited base classes: object with example: obj = Popen(process_obj)