code: def __init__(self, w_dtype):
      self._w_dtype = w_dtype
  
imports: import numpy
  from chainer import backend
  from chainer.backends import intel64
  from chainer import function_node
  import chainer.functions
  from chainer.graph_optimizations import static_code
  from chainer import utils
  from chainer.utils import type_check
  import chainerx
label_desc: Use image node_id 1 to create a new LinearGradWeight object from inherited base classes: function_node with example: obj = LinearGradWeight(w_dtype)