code: def _always_true():
      return True
  
imports: import os
  import warnings
  import chainer
  from chainer.serializers import npz
  from chainer.training import extension
  from chainer.training.extensions import snapshot_writers
  from chainer.utils import argument
label_desc: Use image node_id 6 for calling a global function with example usage: _always_true() and returns: True