code: def get_unlabeled_images(
      self,
      label_tag: Optional[str] = None,
      labels: Optional[List[str]] = None,
  ) -> List[str]:
      images = self.list_images()
      labeled = self.get_labeled_images()
      return [image for image in images if image not in labeled]
  
imports: import logging
  import os
  import pathlib
  from io import BytesIO
  from pathlib import Path
  from typing import Any, Dict, List, Optional
  import girder_client
  import numpy
  from PIL import Image
  from monailabel.interfaces.datastore import Datastore, DefaultLabelTag
  from monailabel.utils.others.generic import md5_digest
label_desc: Use image node_id 19 for calling the DSADatastore obj's underlying member method code with example usage: obj.get_unlabeled_images(label_tag, labels) and returns: unknown