Fix lint errors & warnings

[deepanchal]

Description

Fix lint errors & warnings

Screenshots

N/A

Related Issue

Closes #1535

Pull Request Type

Please check the type of change your PR introduces:

• [ ] Bugfix
• [ ] Feature
• [x] Code style update (formatting, renaming)
• [x] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] Documentation changes

Checklist

• [x] My code follows the code style of this project.
• [ ] I have updated the documentation.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

Does this introduce a breaking change?

• [ ] Yes
• [x] No