* fix BaseDataPreprocessor
* fix BaseDataPreprocessor
* change device type to torch.device
* change device type to torch.device
* fix cpu method of base model
* Allow ImgDataPreprocessor do not normalize
* remove unnecessary type ignore
* make mean and std optional
* refine docstring
* fix BaseDataPreprocessor
* fix BaseDataPreprocessor
* change device type to torch.device
* change device type to torch.device
* fix cpu method of base model
* add base model, ddp model and unit test
* add unit test
* fix unit test
* fix docstring
* fix cpu unit test
* refine base data preprocessor
* refine base data preprocessor
* refine interface of ddp module
* remove optimizer hook
* add forward
* fix as comment
* fix unit test
* fix as comment
* fix build optimizer wrapper
* rebase main and fix unit test
* stack_batch support stacking ndim tensor, add docstring for merge dict
* fix lint
* fix test loop
* make precision_context effective to data_preprocessor
* fix as comment
* fix as comment
* refine docstring
* change collate_data output typehints
* rename to_rgb to bgr_to_rgb and rgb_to_bgr
* support build basemodel with built DataPreprocessor
* fix as comment
* fix docstring
Mashiro