code: def forward(self, x):
      return self.activation(self.linear(x))
  
imports: import os
  from os import PathLike
  from typing import Union, Dict, Optional
  import torch
  from torch.cuda import amp
  from torch.testing import assert_allclose
  import pytest
  from allennlp.common.testing import AllenNlpTestCase, run_distributed_test, requires_multi_gpu
  from allennlp.nn.util import load_state_dict_distributed
  from allennlp.nn.parallel import FairScaleFsdpAccelerator, FairScaleFsdpWrappedModel, ShardedModuleMixin
label_desc: Use image node_id 2 for calling the FeedForward obj's underlying member method code with example usage: obj.forward(x) and returns: self