Update poetry dependencies and resolve pylint messages (#462)

* Update pylint package

* Resolve pylint convention message `consider-iterating-dictionary`

* Resolve pylint recommendation `use-list-literal`

* Update `poetry.lock` with `poetry update`

* Resolve pylint messages after merge

Co-authored-by: Keith Fung <keithrfung@users.noreply.github.com>

Author: ronnie-llamado