BUG: fix reindexing MultiIndex with categorical datetime-like level #21657

Merged

jorisvandenbossche merged 6 commits intopandas-dev:masterfrom

jorisvandenbossche:bug-groupby-categorical-21390

Jul 2, 2018

Commits on Jun 28, 2018

possible simpler approach
jorisvandenbossche
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Commits on Jun 29, 2018

Merge remote-tracking branch 'upstream/master' into bug-groupby-categorical-21390
jorisvandenbossche
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