ray.tune.schedulers.TrialScheduler.choose_trial_to_run# TrialScheduler.choose_trial_to_run(tune_controller: TuneController) → Trial | None[source]# Called to choose a new trial to run. This should return one of the trials in tune_controller that is in the PENDING or PAUSED state. This function must be idempotent. If no trial is ready, return None.