GitLab

* Update

* Update

* Update

* Update

* Update

* Update

* Update

* Fix lint

* Fix

* Update

* Fix test cases

* Fix

* add docstrings

* Update
Co-authored-by: Ubuntu <ubuntu@ip-172-31-28-17.us-west-2.compute.internal>
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: Jinjing Zhou <VoVAllen@users.noreply.github.com>