code: def shift(self, delta):
      self.offset[0] += delta[0]
      self.offset[1] += delta[1]
  
imports: import numpy
  import tensorflow
  import lucid.modelzoo.vision_models
  import lucid.optvis.objectives
  import lucid.optvis.param
  import lucid.optvis.render
  from lucid.misc.io import show, load
  from lucid.misc.io.showing import _image_url, _display_html
  from collections import defaultdict
  from lucid.scratch.pretty_graphs.graph import *
label_desc: Use image node_id 3 for calling the Fragment obj's underlying member method code with example usage: obj.shift(delta) without return types