code: def set_env():
      """Set ENV var, so test outputs are not polluted by progress bars and warnings."""
      os.environ["PYTEST"] = "1"
  
imports: import pytest
  import pickle
  import torch
  import numpy
  from keras.datasets import cifar10
  import pandas
  from sklearn.model_selection import train_test_split
  import os
  from quantus.helpers.model.models import LeNet, LeNetTF, CifarCNNModel, ConvNet1D, ConvNet1DTF, TitanicSimpleTFModel, TitanicSimpleTorchModel
label_desc: Use image node_id 22 for calling a global function with example usage: set_env() without return types