code: def _run_ids(runs):
      return [run.id for run in runs]
  
imports: import logging
  import os
  import signal
  import time
  from guild import lock
  from guild import op_util
  from guild import util
  from guild import var
label_desc: Use image node_id 15 for calling a global function with example usage: _run_ids(runs) and returns: unknown