PERF/BUG: reimplement MultiIndex.remove_unused_levels#16565

Merged

jreback merged 1 commit intopandas-dev:masterfrom

rhendric:fix/MultiIndex.remove_unused_levels

Jun 2, 2017

Commits on Jun 1, 2017

BUG: reimplement MultiIndex.remove_unused_levels
rhendric
committed