BUG: groupby.apply raising a TypeError when getitem selects multlple columns #53207

mroeschke · 2023-05-12T21:20:59Z

closes Some interesting behavior from .groupby().apply( .to_records() ) #18930 (Replace xxxx with the GitHub issue number)
Tests added and passed if fixing a bug or adding a new feature
All code checks passed.
Added type annotations to new arguments/methods/functions.
Added an entry in the latest doc/source/whatsnew/vX.X.X.rst file if fixing a bug or adding a new feature.

…ple columns

…ple columns (pandas-dev#53207) * BUG: groupby.apply raising a TypeError when __getitem__ selects multiple columns * Fix whatsnew * typing * Typing

mroeschke added 2 commits May 12, 2023 14:14

BUG: groupby.apply raising a TypeError when __getitem__ selects multi…

2711ffe

…ple columns

Fix whatsnew

805a562

mroeschke added Groupby Apply Apply, Aggregate, Transform, Map labels May 12, 2023

mroeschke added this to the 2.1 milestone May 12, 2023

jbrockmendel approved these changes May 12, 2023

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mroeschke added 2 commits May 12, 2023 18:44

typing

f4e255c

Typing

6b9601b

mroeschke merged commit 4118ed8 into pandas-dev:main May 15, 2023

mroeschke deleted the bug/apply/name_hashable branch May 15, 2023 20:20

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