code: def forward(self, x):
      return SwishImplementation.apply(x)
  
imports: import re
  import math
  import collections
  from functools import partial
  import torch
  from torch import nn
  from torch.nn import functional
  from torch.utils import model_zoo
label_desc: Use image node_id 1 for calling the MemoryEfficientSwish obj's underlying member method code with example usage: obj.forward(x) and returns: SwishImplementation