Xexpresion fix

[Alex-PLACET]

Checklist

• The title and commit message(s) are descriptive.
• Small commits made to fix your PR have been squashed to avoid history pollution.
• Tests have been added for new features or bug fixes.
• API of new functions and classes are documented.

Description

[codspeed-hq]

Merging this PR will not alter performance

✅ 255 untouched benchmarks

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_{Comparing Alex-PLACET:xexpresion_fix (5bea1ce) with master (9575b39)}