ENH: add `dict` to return type of `func` argument of `DataFrame#apply`#470

Merged

Dr-Irv merged 7 commits intopandas-dev:mainfrom

skatsuta:dataframe-apply-func-return-dict

Dec 19, 2022

Commits on Dec 14, 2022

ENH: add dict to return type of func argument of DataFrame#apply when result_type="expand"
skatsuta
committed

Commits on Dec 16, 2022

tests/test_frame: replace Literal[None] with just None
skatsuta
committed