Update export.py Usage examples

[glenn-jocher]

Signed-off-by: Glenn Jocher [email protected]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Refactored export.py to simplify post-export inference and validation command recommendations.

📊 Key Changes

• Streamlined instance checks for model types (ClassificationModel, DetectionModel, SegmentationModel) using tuple unpacking.
• Removed redundant code by consolidating the detect and predict command construction.
• Updated log messages to be more concise and include any additional settings such as --half.

🎯 Purpose & Impact

• Purpose: The refactoring increases code readability and maintainability by reducing complexity and repetition.
• Impact: Users will see clearer and simpler recommendations for inference and validation commands after exporting models, facilitating easier and error-free usage. Developers will benefit from cleaner code that's easier to understand and modify.