code: def __init__(self, scale):
      self.scale = scale
  
file_path: chainerrl/chainerrl/functions/scale_grad.py
imports: import numpy
  import chainer
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new ScaleGrad object from inherited base classes: chainer with example: obj = ScaleGrad(scale)