code: def on_trial_result(self, tune_controller, trial, result):
      return TrialScheduler.PAUSE
  
file_path: ray/release/air_tests/frequent_pausing/script.py
imports: import numpy
  import os
  import pickle
  import tempfile
  from ray import train
  from ray.train import Checkpoint, RunConfig
  from ray.tune.schedulers.trial_scheduler import FIFOScheduler, TrialScheduler
  from ray.tune.tune_config import TuneConfig
  from ray.tune.tuner import Tuner
label_desc: Use image node_id 1 for calling the FrequentPausesScheduler obj's underlying member method code with example usage: obj.on_trial_result(tune_controller, trial, result) and returns: TrialScheduler