谢昕辰 a947e3e754
[FIx] Set default backend_args values to None (#2597)
## Motivation

In MMEngine >= 0.2.0, it might directly determine what the backend is by
using the `data_root` path.

## Modification

Set all default `backend_args` values are `None`.
2023-02-16 15:33:52 +08:00
..
2023-02-15 12:03:01 +08:00
2023-02-01 20:34:20 +08:00
2023-01-13 20:06:30 +08:00
2022-11-01 21:37:27 +08:00
2023-02-15 12:03:01 +08:00
2022-09-16 18:51:56 +08:00