code: def _limit_startable_runs(runs, state):
      return runs[0 : state.max_startable_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 25 for calling a global function with example usage: _limit_startable_runs(runs, state) and returns: runs