class_docstr: Zoneout regularization.
class_docstr_tok: ["Zoneout","regularization","."]
code: def __init__(self, zoneout_ratio):
      self.zoneout_ratio = zoneout_ratio
  
file_path: chainer/chainer/functions/noise/zoneout.py
imports: import numpy
  from chainer import backend
  from chainer import configuration
  from chainer import function_node
  from chainer.utils import argument
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new Zoneout object from inherited base classes: function_node with example: obj = Zoneout(zoneout_ratio)