code: def _start_runs(runs, state):
      for run in runs:
          try:
              state.start_run_cb(run, state)
          except Exception:
              log.exception(
                  "error calling %r for run %s",
                  state.start_run_cb,
                  run.id,
              )
          else:
              state.started += 1
      state.logged_waiting = False
  
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 26 for calling a global function with example usage: _start_runs(runs, state) without return types