BUG Fixing columns dropped from multi index in group by transform GH4…#47840

Merged

mroeschke merged 13 commits intopandas-dev:mainfrom

mattB1989:issue47787

Aug 17, 2022

Commits on Jul 24, 2022

Commits on Jul 30, 2022

Commits on Jul 31, 2022

fixing typo
matt
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Merge branch 'issue47787' of github.com:mattB1989/pandas into issue47787
matt
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adding a timestamp in the index so tshift fails with the right error
matt
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fixing formatting
matt
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Commits on Aug 2, 2022

using the module assert
matt
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Commits on Aug 11, 2022

adding a test on the dataframe
matt
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Commits on Aug 14, 2022

improve test post review
matt
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typo fix
matt
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Commits on Aug 16, 2022

explicitly casting to int
matt
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