code: def __init__(self, ksize=3, dilate=1):
      super(Shift, self).__init__()
      self.kh, self.kw = _pair(ksize)
      if self.kh % 2 != 1:
          raise ValueError("kh must be odd")
      if self.kw % 2 != 1:
          raise ValueError("kw must be odd")
      self.dy, self.dx = _pair(dilate)
  
file_path: chainer/chainer/functions/connection/shift.py
imports: import numpy
  from chainer.backends import cuda
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new Shift object from inherited base classes: function_node with example: obj = Shift(ksize, dilate)