BUG: Fix pyarrow categoricals not working for pivot and multiindex #61193
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…pyarrow dictionary categoricals Relates to pandas-dev#53051 Code for fix taken and adapted from pandas-dev#59099
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…andas-dev#61193) * BUG: Fix bug with DataFrame.pivot and .set_index not compatible with pyarrow dictionary categoricals Relates to pandas-dev#53051 Code for fix taken and adapted from pandas-dev#59099 * TST: Add tests for faulty behavior relating to pyarrow categoricals * CLN: Fix issues reported by pre-commit hooks * TST: Fix failing tests for minimum version by ignoring obsolete deprecation warning * DOC: Add entry for bugfix to whatsnew v3.0.0 * CLN: Refactor code and clean up according to PR feedback * CLN: Refactor code and clean up according to PR feedback * CLN: Refactor tests to adress PR feedback * CLN: Refactor tests to adress PR feedback
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DataFrame.pivotfails withpyarrowbackend if variable is already encoded asdictionary#53051doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Disclaimer
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