Trial runner chekpoiting failed?

I get this error can some help to explian in any case we get such errors
Trial Runner checkpointing failed: [WinError 183] Cannot create a file when that file already exists: 'C:\\Users\\ali\\ray_results\\optuna_search\\.tmp_searcher_ckpt' -> 'C:\\Users\\ali\\ray_results\\optuna_search\\searcher-state-2021-02-17_13-36-00.pkl'

Thanks for opening this issue @tam ! This should be fixed with [tune] Fixed atomic_save w/ os.replace by EscapeReality846089495 · Pull Request #14089 · ray-project/ray · GitHub

sorry but it is unclear

Should be fixed on latest wheels now. Installing Ray — Ray v2.0.0.dev0