BUG: Fix pyarrow categoricals not working for pivot and multiindex#61193

Merged

mroeschke merged 9 commits intopandas-dev:mainfrom

robin-mader-bis:fix/multiindex-pyarrow-categoricals

Apr 14, 2025

Commits on Apr 14, 2025

BUG: Fix bug with DataFrame.pivot and .set_index not compatible with pyarrow dictionary categoricals
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TST: Add tests for faulty behavior relating to pyarrow categoricals
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CLN: Fix issues reported by pre-commit hooks
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TST: Fix failing tests for minimum version by ignoring obsolete deprecation warning
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DOC: Add entry for bugfix to whatsnew v3.0.0
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CLN: Refactor code and clean up according to PR feedback
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CLN: Refactor code and clean up according to PR feedback
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CLN: Refactor tests to adress PR feedback
robin-mader-bis
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CLN: Refactor tests to adress PR feedback
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