code: def forward(self, x):
      x[1] = -2
      return self.ops(x)
  
imports: import functools
  import os
  from io import BytesIO
  import shutil
  import sys
  import torch
  from torch.jit.mobile import _load_for_lite_interpreter, _export_operator_list
label_desc: Use image node_id 2 for calling the ModelWithMultipleOps obj's underlying member method code with example usage: obj.forward(x) and returns: self