perf: Check for empty attributes before search

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #376 will not alter performance

_{Comparing dd/perf (b8a1427) with master (acde6ac)}

Summary

✅ 6 untouched benchmarks

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.55%. Comparing base (acde6ac) to head (b8a1427).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #376 +/- ## ========================================== + Coverage 89.53% 89.55% +0.01% ========================================== Files 18 18 Lines 1998 2001 +3 ========================================== + Hits 1789 1792 +3 Misses 209 209 ```

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