docs: def _expand_dataset_packages(dataset_label_dict):
      """Returns list of possible packages contained in dataset, in case the dataset is multi dataset, eg. 'lisa'.
  
      In case the param is not pointing to multidataset returns only that label in a list.
  
      :param str dataset_label_dict: label of multi dataset
      :return: list of labels
      """
      new_dataset_label_dict = []
      for label in dataset_label_dict:
          dataset_metadata = data_urls[label]
          if type(dataset_metadata) == dict and "package" in dataset_metadata:
              new_dataset_label_dict.extend(dataset_metadata["package"])
          else:
              new_dataset_label_dict.append(label)
      return new_dataset_label_dict