code: def _parse_polygons_file(json_path):
      d = etas.load_json(json_path)
  
      width = d["imgWidth"]
      height = d["imgHeight"]
  
      polylines = []
      for obj in d.get("objects", []):
          label = obj["label"]
          points = [(x / width, y / height) for x, y in obj["polygon"]]
          polyline = fol.Polyline(
              label=label, points=[points], closed=True, filled=True
          )
          polylines.append(polyline)
  
      return fol.Polylines(polylines=polylines)
  
imports: import logging
  import os
  import eta.core.serial
  import eta.core.utils
  import fiftyone.core.dataset
  import fiftyone.core.fields
  import fiftyone.core.labels
  import fiftyone.core.media
  import fiftyone.core.sample
  import fiftyone.core.utils
  import fiftyone.utils.data
  import fiftyone.types
label_desc: Use image node_id 15 for calling a global function with example usage: _parse_polygons_file(json_path) and returns: fol