code: def test_bbox_parser_alt_label(via_dir, via_bbox_class_map):
      parser = parsers.via(
          via_dir / "via_bbox.json",
          via_dir,
          via_bbox_class_map,
          label_field="object",
      )
      records = parser.parse(data_splitter=SingleSplitSplitter())[0]
      record = records[0]
      # Additional label is found when using the 'object' label_field.
      # When 'label' is used, one region is marked '###' and therefore not found in class_map.
      assert record.detection.label_ids == [4, 1, 3, 3, 2]
  
imports: import pytest
  from icevision.all import *
label_desc: Use image node_id 2 for calling a global function with example usage: test_bbox_parser_alt_label(via_dir, via_bbox_class_map) without return types