code: def files_data(tmp_path):
      return create_dataset(
          data_format="files", seed=0, tmp_path=tmp_path
      )
  
file_path: traintool/tests/image_classification/test_preprocessing.py
imports: import comet_ml
  import pytest
  import numpy
  import torch
  from conftest import create_dataset, create_image
  from traintool.image_classification.preprocessing import recognize_data_format, torch_to_numpy, numpy_to_torch, files_to_numpy, files_to_torch, load_image, recognize_image_format, get_num_classes
label_desc: Use image node_id 3 for calling a global function with example usage: files_data(tmp_path) and returns: create_dataset