Improved check_online() robustness

[glenn-jocher]

YOLOv5-wide improvement, not just in check_requirements()

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

🛠️ PR Summary

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🌟 Summary

Enhanced internet connectivity check within YOLOv5's utility functions.

📊 Key Changes

• Updated the check_online function to attempt the internet connectivity check twice.
• Simplified the connection check assertion in the check_requirements function.

🎯 Purpose & Impact

• The double-check for internet connectivity aims to reduce false negatives due to temporary network issues. 📡✅
• By improving the reliability of the connectivity check, automatic updates and other internet-dependent functionality become more robust, benefiting users with intermittent internet connections. 🔗🛠️
• Users may experience fewer disruptions when the system tries to auto-update or perform other net-requiring actions, leading to a smoother experience. 🌐🚀

[glenn-jocher]

10000!

Here's to the next 10000 🥂