🧹 cleanup: remove unused os import from query.py

[Kshitij-KS]

This PR removes an unused os import from query.py.

🎯 What: The code health issue addressed was an unused os import in query.py.
💡 Why: Removing dead code improves maintainability and readability.
✅ Verification: Verified by running a syntax check with python3 -m py_compile query.py and confirming the removal with grep.
✨ Result: Cleaned up query.py by removing an unnecessary import.

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PR created automatically by Jules for task 11455685481640755177 started by @Kshitij-KS

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