code: def recon_layers(self, request):
      return request.param
  
imports: import numpy
  import pytest
  import torch
  from pythae.models import AEConfig, VAEConfig
  from pythae.models.nn.benchmarks.celeba import *
  from pythae.models.nn.benchmarks.cifar import *
  from pythae.models.nn.benchmarks.mnist import *
  from pythae.models.nn.default_architectures import *
label_desc: Use image node_id 1 for calling the Test_MNIST_ResNets obj's underlying member method code with example usage: obj.recon_layers(request) and returns: request