Problem with automatic best model loading. #7556
Description
When I provide load_best_model_at_end=True, metric_for_best_model='eval_f1_macro and greater_is_better=True together with save_total_limit=2 this happens:
Traceback (most recent call last):
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/optuna/study.py", line 778, in _run_trial
result = func(trial)
File "train_aws.py", line 174, in opt
trainer.train()
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/transformers/trainer.py", line 810, in train
and self.global_step % self.args.eval_steps == 0
ZeroDivisionError: integer division or modulo by zero
Traceback (most recent call last):
File "train_aws.py", line 197, in <module>
study.optimize(opt)
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/optuna/study.py", line 328, in optimize
func, n_trials, timeout, catch, callbacks, gc_after_trial, None
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/optuna/study.py", line 726, in _optimize_sequential
self._run_trial_and_callbacks(func, catch, callbacks, gc_after_trial)
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/optuna/study.py", line 755, in _run_trial_and_callbacks
trial = self._run_trial(func, catch, gc_after_trial)
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/optuna/study.py", line 778, in _run_trial
result = func(trial)
File "train_aws.py", line 174, in opt
trainer.train()
File "/home/ubuntu/miniconda3/envs/hf/lib/python3.7/site-packages/transformers/trainer.py", line 810, in train
and self.global_step % self.args.eval_steps == 0
ZeroDivisionError: integer division or modulo by zero