code: def forward(self, x):
      shape = torch.prod(torch.tensor(x.shape[1:])).item()
      return x.view(-1, shape)
  
imports: import os
  import argparse
  import logging
  import time
  import numpy
  import torch
  import torch.nn
  from torch.utils.data import DataLoader
  import torchvision.datasets
  import torchvision.transforms
label_desc: Use image node_id 2 for calling the Flatten obj's underlying member method code with example usage: obj.forward(x) and returns: x