code: def model_configs_no_input_dim(request):
      return request.param
  
imports: import os
  from copy import deepcopy
  import pytest
  import torch
  from torch.optim import Adam
  from pythae.customexception import BadInheritanceError
  from pythae.models import RAE_L2, AutoModel, RAE_L2_Config
  from pythae.models.base.base_utils import ModelOutput
  from pythae.pipelines import GenerationPipeline, TrainingPipeline
  from pythae.samplers import GaussianMixtureSamplerConfig, IAFSamplerConfig, MAFSamplerConfig, NormalSamplerConfig
  from pythae.trainers import BaseTrainerConfig, CoupledOptimizerTrainer, CoupledOptimizerTrainerConfig
  from tests.data.custom_architectures import Decoder_AE_Conv, Encoder_AE_Conv, NetBadInheritance
label_desc: Use image node_id 1 for calling a global function with example usage: model_configs_no_input_dim(request) and returns: request