old_contents: import os
  import tempfile
  import shutil
  
  from ..io.utils import load_img_list
  
  data_path = os.path.dirname(os.path.realpath(__file__))
  
  def CZT_peaks():
      return os.path.join(data_path, "CZT_peaks.ome.tif")
  
  def sample_ome():
      return os.path.join(data_path, "sample.ome.tif")
  
  def tubhiswt_4D():
      return os.path.join(data_path, "tubhiswt-4D.ome.xml")
  
  def metadata_json():
      return os.path.join(data_path, "metadata.json")
  
  def sample_h5():
      return os.path.join(data_path, "sample.h5")
  
  def sample_h5_temp():
      d = tempfile.gettempdir()
      f_ori = os.path.join(data_path, "sample.h5")
      f_dest = os.path.join(d, "sample.h5")
      shutil.copy(f_ori, f_dest)
      return f_dest
  
  def stack_list_dir():
      return os.path.join(data_path, "stack_list")
  
  def stack_list():
      dirname = stack_list_dir()
      file_list = load_img_list(dirname)
      return file_list
  
  def TZ_nucleus():
      return os.path.join(data_path, "TZ_nucleus.ome.tif")
  
  def TC_BF_cells():
      return os.path.join(data_path, "TC_BF_cells.ome.tif")
  
new_contents: """Test images and example data.
  
  When data function end with _temp. The file is being copied to a temporary
  directory before its path is returned.
  """
  
  import os
  import tempfile
  import shutil
  
  from ..io.utils import load_img_list
  
  data_path = os.path.dirname(os.path.realpath(__file__))
  
  def CZT_peaks():
      """OME Tiff with fluo spots and CTZ dimensions.
      """
      return os.path.join(data_path, "CZT_peaks.ome.tif")
  
  def sample_ome():
      """OME Tiff with fluo spots and cells in BF and CTZ dimensions.
      """
      return os.path.join(data_path, "sample.ome.tif")
  
  def tubhiswt_4D():
      """OME XML file from OME sample dataset.
      """
      return os.path.join(data_path, "tubhiswt-4D.ome.xml")
  
  def metadata_json():
      """
      """
      return os.path.join(data_path, "metadata.json")
  
  def sample_h5():
      """
      """
      return os.path.join(data_path, "sample.h5")
  
  def sample_h5_temp():
      """
      """
      d = tempfile.gettempdir()
      f_ori = os.path.join(data_path, "sample.h5")
      f_dest = os.path.join(d, "sample.h5")
      shutil.copy(f_ori, f_dest)
      return f_dest
  
  def stack_list_dir():
      """
      """
      return os.path.join(data_path, "stack_list")
  
  def stack_list():
      """
      """
      dirname = stack_list_dir()
      file_list = load_img_list(dirname)
      return file_list
  
  def TZ_nucleus():
      """
      """
      return os.path.join(data_path, "TZ_nucleus.ome.tif")
  
  def TC_BF_cells():
      """
      """
      return os.path.join(data_path, "TC_BF_cells.ome.tif")
  
subject: Add doc to data module