Styling-related commits

[ulgens]

Creating this discussion to keep a track of styling-related PRs, so that we will have a list if we ever want to handle them with git-blame-ignore-revs

• Simple ruff setup #2574
• No more trailing whitespaces #2578
• Styling whitespaces #2580
• Apply "unsafe" W291 fixes #2581
• Organize imports #2583