code: def __init__(
      self, extension, priority, trigger, call_before_training
  ):
      self.extension = extension
      self.trigger = trigger
      self.priority = priority
      self.call_before_training = call_before_training
  
imports: import collections
  import os
  import sys
  import time
  import traceback
  import six
  from chainer import reporter
  from chainer import serializer
  from chainer.training import extension
  from chainer.training import trigger
  from chainer.utils import argument
label_desc: Use image node_id 1 to create a new _ExtensionEntry object from inherited base classes: object with example: obj = _ExtensionEntry(extension, priority, trigger, call_before_training)