CI/DOC: Add option to build whatsnew#39182

Merged

jorisvandenbossche merged 3 commits intopandas-dev:masterfrom

rhshadrach:whatsnew

Feb 12, 2021

Commits on Jan 15, 2021

Commits on Feb 12, 2021

Merge branch 'master' of https://github.com/pandas-dev/pandas into whatsnew
rhshadrach
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