code: def forward(self, x: Tensor) -> Tensor:
      return self._forward_impl(x)
  
imports: import math
  import copy
  from functools import partial
  from collections import OrderedDict
  from typing import Optional, Callable
  import torch
  import torch.nn
  from torch import Tensor
  from torch.nn import functional
label_desc: Use image node_id 3 for calling the EfficientNet obj's underlying member method code with example usage: obj.forward(x) and returns: self