Simplify logic

[Y-T-G]

The logic can be even simpler.

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Improves Python module lazy-loading logic to enhance clarity and efficiency 🎉.

📊 Key Changes

• Fixed module resolution logic by ensuring the correct return of the parent package for nested imports.
• Simplified conditional checks for whether a module is already loaded in globals or sys.modules.
• Improved code readability by reordering and enhancing comments.

🎯 Purpose & Impact

• 🛠️ Purpose: To fix and simplify incorrect and redundant logic in lazy-loading, ensuring clean module imports and reducing potential bugs.
• 🚀 Impact: This improves the stability and usability of the lazy-loading mechanism, benefiting developers working on performance-optimized dynamic imports.

[glenn-jocher]

@Y-T-G nice! BTW I just realized there was no formatting going on in your PRs here because I hadn't enabled the Ultralytics App for this new repo and it's a fork PR.

I'll do that now.

EDIT: Is enabled now. When I merge this PR the App should do it's thing now.

[UltralyticsAssistant]

🎉 The PR is officially merged! Huge thanks to @Y-T-G for the thoughtful improvements and to @glenn-jocher for your insightful contributions. This refined lazy-loading logic makes our project cleaner, more efficient, and more developer-friendly. 🚀

As Leonardo da Vinci once said, "Simplicity is the ultimate sophistication." Your work here exemplifies that beautifully—optimizing logic, eliminating redundancies, and ensuring stability. Thank you for making a lasting impact! 🙌