Backport PR #55619 on branch 2.1.x (BUG: Groupby not keeping string dtype for empty objects)#55705

Merged

lithomas1 merged 3 commits intopandas-dev:2.1.xfrom

lithomas1:auto-backport-of-pr-55619-on-2.1.x

Dec 4, 2023

Commits on Oct 26, 2023

BUG: Groupby not keeping string dtype for empty objects (#55619)

phofl
and
lithomas1
committed

Commits on Dec 4, 2023