Fix multi-index with categorical values.#3860
Merged
fujiisoup merged 5 commits intopydata:masterfrom Mar 13, 2020
mancellin:master
Merged
Fix multi-index with categorical values.#3860fujiisoup merged 5 commits intopydata:masterfrom mancellin:master
fujiisoup merged 5 commits intopydata:masterfrom
mancellin:master