GitLab

* sassd origin

* sassd for merge

* Fix flake8 coding style warnings and errors

* Fix flake8 indent style

* Fix no newline at end of line issue

* fix mmdet3d.ops error

* Fix flake8 over-indented

* Change points_ops format

* import format updated

* Fix import isort issue

* Fix yapf format

* classes modification after first review

* tmp

* solved mmdet3d update issue

* fixed comment style and lint errors

* fix isort error

* fix yapf error

* Modify comments

* solve merge confilict

* unit test added

* Fix yamp error

* fix lint format

* fix loss format error
Co-authored-by: Yi-Chen Zhang <yi-chen.zhang@isza.com>