code: def fix_ignore_label(self):
      for embed in self.embeds:
          embed.W.array[0, :] = 0
  
imports: import collections
  import json
  import os
  import numpy
  import six
  import chainer
  from chainer import backend
  import chainer.functions
  from chainer import initializers
  import chainer.links
  import babi
label_desc: Use image node_id 2 for calling the MemNN obj's underlying member method code with example usage: obj.fix_ignore_label() without return types