code: def get_job_type() -> str:
      return "split-image-url-columns"
  
file_path: datasets-server/services/worker/src/worker/job_runners/split/image_url_columns.py
imports: import logging
  from libcommon.exceptions import PreviousStepFormatError
  from libcommon.simple_cache import get_previous_step_or_raise
  from libcommon.utils import is_image_url
  from worker.dtos import CompleteJobResult, ImageUrlColumnsResponse, SplitFirstRowsResponse
  from worker.job_runners.split.split_job_runner import SplitJobRunner
label_desc: Use image node_id 1 for calling the SplitImageUrlColumnsJobRunner obj's underlying member method code with example usage: obj.get_job_type() and returns: str