Never convert trial_id to float when loading progress.csv. (#16959)
Never convert trial_id to float when loading progress.csv. (#16959)

* Never convert trial_id to float when loading progress.csv.

* Formatting updated.

Co-authored-by: Maxim Egorushkin <dbf6fc10850f3dca1284a4a59ff89cad5cd68102@gmail.com>
ray-project/ray,pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1,pcmoritz/ray-1