code: def get_job_type() -> str:
      return "split-is-valid"
  
file_path: datasets-server/services/worker/src/worker/job_runners/split/is_valid.py
imports: import logging
  from libcommon.constants import CONFIG_HAS_VIEWER_KINDS, SPLIT_HAS_PREVIEW_KINDS, SPLIT_HAS_SEARCH_KINDS
  from libcommon.simple_cache import get_previous_step_or_raise, has_any_successful_response
  from libcommon.utils import JobInfo
  from worker.config import AppConfig
  from worker.dtos import CompleteJobResult, IsValidResponse, JobResult
  from worker.job_runners.split.split_job_runner import SplitJobRunner
label_desc: Use image node_id 1 for calling the SplitIsValidJobRunner obj's underlying member method code with example usage: obj.get_job_type() and returns: str