CLN: algorithms cleanup, de-duplication, typing#29280
Merged
jreback merged 5 commits intopandas-dev:masterfrom Oct 30, 2019
Merged
CLN: algorithms cleanup, de-duplication, typing#29280jreback merged 5 commits intopandas-dev:masterfrom
jreback merged 5 commits intopandas-dev:masterfrom