GitLab

In nnictl, classArgs is not required, now set it as optional for some kind of tuner and assessor may not require classArgs.

* fix sdk's unittest and add medianstop, batchtuner to ci

* fix sdk's unittest and add medianstop, batchtuner to ci

* remove debug info

* update azure-pipelines

* remove useless code

* add some checks

* fix pylint

* update ci test

* update ci