fix: Pandas 3 compatibility - robust dtype checks and test fixes#885

Merged

solegalli merged 28 commits intofeature-engine:mnt-pandas3from

ankitlade12:mnt-pandas3

Feb 6, 2026

Commits on Jan 28, 2026

fix: Pandas 3 compatibility - robust dtype checks and test fixes
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fix: Remove whitespace before colon in slice notation (flake8 E203)
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feat: finalize Pandas 3 compatibility fixes and test updates
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style: fix flake8 line length and linting issues
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style: fix remaining flake8 C416 issue
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Fix Pandas 3 regressions in check_y, _check_contains_inf, and StringSimilarityEncoder
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Fix E501 line too long in dataframe_checks.py
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Fix StringSimilarityEncoder NaN issues and fragile test assertions
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fix: Pandas 3 stability - mock datasets and fix FutureWarnings
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style: fix flake8 linting errors E501, E302, E305, SIM102
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test: improve patch coverage for Pandas 3 stability fixes
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style: fix E501 line too long in similarity encoder tests
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Commits on Feb 3, 2026