class_docstr: Pickler subclass used by multiprocessing.
code: def __init__(self, *args):
      super().__init__(*args)
      self.dispatch_table = self._copyreg_dispatch_table.copy()
      self.dispatch_table.update(self._extra_reducers)
  
imports: from abc import ABCMeta
  import copyreg
  import functools
  import io
  import os
  import pickle
  import socket
  import sys
  from .None import context
label_desc: Use image node_id 1 to create a new ForkingPickler object from inherited base classes: pickle with example: obj = ForkingPickler()