text: """ Utils for dataset handling """
  from cv2 import imread, COLOR_BGR2RGB, cvtColor
  from teex._utils._paths import _check_dir
  
  from os import scandir
  
  
  def _list_images(pathName, returnType='list'):
      """ Returns {filename: image, ...} """
      _check_dir(pathName)
      if returnType == 'list':
          images = []
      elif returnType == 'dict':
          images = {}
      else:
          raise ValueError('returnType not supported.')
      for filename in scandir(pathName):
          if filename.is_file():
              # only RGB for now
              if returnType == 'list':
                  images.append(cvtColor(imread(filename.path), COLOR_BGR2RGB).astype('float32'))
              elif returnType == 'dict':
                  images[filename.name] = cvtColor(imread(filename.path), COLOR_BGR2RGB).astype('float32')
          else:
              raise Exception('Some images could not be read.')
      if returnType == 'list':
          return images
      elif returnType == 'dict':
          return images
  