* First commit
* add BaseTestTimeAugModel
* Add unit test
* move loop logic to test_step
* fix ddp test
* rename model to module
* optim __init__
* Fix as comment
* Fix as comment
* make val_step should not be called
* make tta do not inherit base model
* Fix unit test
* Enhance docstring
* Fix as comment
* Fix as comment
* minor refine
* minor refine
* minor refine
* fix unit test
* minor refine
* minor refine
* minor refine
* minor refine
* minor refine
* minor refine
* fix unit test
* [Feature] Support convert BN to SyncBN by config
* make unit test compatible with cpu
* Fix as comment
* fix unit test
* change signature of convert_sync_batchnorm: rename sync_bn to implemention
* fix unit test
* fix unit test