code: def _get_picture_face(img_path):
      filename = os.path.splitext(os.path.basename(img_path))[0]
      return filename.split("_")
  
imports: import logging
  import os
  from collections import defaultdict
  import eta.core.utils
  import eta.core.web
  import pandas
  import fiftyone
  import fiftyone.core.utils
  import fiftyone.utils.data
  from fiftyone.core.expressions import ViewField
  from fiftyone.core.expressions import VALUE
label_desc: Use image node_id 6 for calling a global function with example usage: _get_picture_face(img_path) and returns: filename