code: def post_forward(self, module, output):
      return output + 1
  
imports: import inspect
  import unittest
  import torch
  import torch.nn
  from accelerate.hooks import AlignDevicesHook, ModelHook, SequentialHook, add_hook_to_module, attach_align_device_hook, remove_hook_from_module, remove_hook_from_submodules
  from accelerate.test_utils import require_multi_gpu
label_desc: Use image node_id 1 for calling the PostForwardHook obj's underlying member method code with example usage: obj.post_forward(module, output) and returns: unknown