src/transformers/trainer_callback.py/CallbackHandler/on_step_begin
class CallbackHandler:    def on_step_begin(self, args: TrainingArguments, state: TrainerState, control: TrainerControl):
        control.should_log = False
        control.should_evaluate = False
        control.should_save = False
        return self.call_event("on_step_begin", args, state, control)